A hook with a latch on the front and/or rear of a vehicle, to which another vehicle may be attached.

FSC Information

2040	Marine Hardware and Hull Items
2540	Vehicular Furniture and Accessories

Colloquial Information

K5397	HITCH ASSEMBLY
K5077	PINTLE HITCH
J4042	JAW,TOWING

Change List

MRC PDNB has been added

MRC ZZZP has been deleted

NAMEDITEM NAME

NOUN, WITH OR WITHOUT MODIFIERS, BY WHICH AN ITEM OF SUPPLY IS KNOWN.

Enter the item name code.

(NAMED05038*)

APGFDDESIGN TYPE

INDICATES THE DESIGN TYPE OF THE ITEM.

Enter the applicable reply code from the table below

(APGFDANX*;APGFDAFG$DANX*)

Table 1
	Reply Code (AK54)	Reply
	AFG	RIGID
	ANX	SWIVEL

IF STYLE/REPLY CODE(s) CW WERE ENTERED FOR MRC AAXX, YOU MUST ANSWER MRC (AXAQ and AHNX and BPBL)

IF STYLE/REPLY CODE(s) MN WERE ENTERED FOR MRC AAXX, YOU MUST ANSWER MRC (AQPP and AATR and BPBP)

AAXXDMOUNTING TYPE

INDICATES THE TYPE OF MOUNT UTILIZED TO SUPPORT THE ITEM.

Enter the applicable reply code from the table below

(AAXXDCW*;AAXXDMN$DCW*)

Table 1
	Reply Code (AA78)	Reply
	CW	FLANGE
	MN	SHANK

AXAQ*AFLANGE BOLT HOLE QUANTITY

THE NUMBER OF BOLT HOLES IN THE FLANGE.

Enter the numeric reply with a minimum of one digit.

(AXAQA10*)

AHNX*JBOLT HOLE DIAMETER

THE LENGTH OF A STRAIGHT LINE WHICH PASSES THROUGH THE CENTER OF THE BOLT HOLE,AND TERMINATES AT THE CIRCUMFERENCE.

Enter the applicable Reply Code from Tables 1 & 2 below followed by a numeric reply with a minimum of one digit, a decimal and a minimum of one digit.

(AHNXJAB2.0*;AHNXJAB2.0$$JAB2.1*)

Table 1
	Reply Code (AA05)	Reply
	A	INCHES
	L	MILLIMETERS

Table 2
	Reply Code (AC20)	Reply
	A	NOMINAL
	B	MINIMUM
	C	MAXIMUM

BPBL*JLENGTH FROM FLANGE TO THROAT CENTER

A MEASUREMENT OF THE LONGEST DIMENSION FROM THE FLANGE TO THE CENTER OF THE THROAT,IN DISTINCTION FROM WIDTH.

Enter the applicable Reply Code from Tables 1 & 2 below followed by a numeric reply with a minimum of one digit, a decimal and a minimum of one digit.

(BPBLJAA2.0*;BPBLJAA2.0$$JAA2.1*)

Table 1
	Reply Code (AA05)	Reply
	A	INCHES
	L	MILLIMETERS

Table 2
	Reply Code (AC20)	Reply
	A	NOMINAL
	B	MINIMUM
	C	MAXIMUM

IF STYLE/REPLY CODE(s) BG WERE ENTERED FOR MRC AQPP, YOU MUST ANSWER MRC (BPBM and BPBN)

AQPP*DSHANK TYPE

INDICATES THE TYPE OF SHANK.

Enter the applicable reply code from the table below

(AQPPDAN*;AQPPDBF$DBG*)

Table 1
	Reply Code (AH09)	Reply
	AN	PLAIN
	BF	RUBBER MOUNTED
	BG	SPRING MOUNTED

BPBM*DSPRING SLEEVE

AN INDICATION OF WHETHER OR NOT A SPRING SLEEVE(S) IS INCLUDED.

Enter the applicable reply code from the table below

(BPBMDC*;BPBMDB$DC*)

Table 1
	Reply Code (AA49)	Reply
	B	INCLUDED
	C	NOT INCLUDED

BPBN*DSPRING HOUSING

AN INDICATION OF WHETHER OR NOT A SPRING HOUSING IS INCLUDED.

Enter the applicable reply code from the table below

(BPBNDC)

Table 1
	Reply Code (AA49)	Reply
	B	INCLUDED
	C	NOT INCLUDED

AATR*JSHANK LENGTH

A MEASUREMENT OF THE LONGEST DIMENSION OF THE SHANK,IN DISTINCTION FROM WIDTH.

Enter the applicable Reply Code from Tables 1 & 2 below followed by a numeric reply with a minimum of one digit, a decimal and a minimum of one digit.

(AATRJAB2.0*;AATRJAB2.0$$JAB2.1*)

Table 1
	Reply Code (AA05)	Reply
	A	INCHES
	L	MILLIMETERS

Table 2
	Reply Code (AC20)	Reply
	A	NOMINAL
	B	MINIMUM
	C	MAXIMUM

BPBP*JLENGTH FROM SHANK END TO THROAT CENTER

A MEASUREMENT OF THE LONGEST DIMENSION FROM THE END OF THE SHANK TO THE CENTER OF THE THROAT,IN DISTINCTION FROM WIDTH.

Enter the applicable Reply Code from Tables 1 & 2 below followed by a numeric reply with a minimum of one digit, a decimal and a minimum of one digit.

(BPBPJAB2.0*;BPBPJAB2.0$$JAB2.1*)

Table 1
	Reply Code (AA05)	Reply
	A	INCHES
	L	MILLIMETERS

Table 2
	Reply Code (AC20)	Reply
	A	NOMINAL
	B	MINIMUM
	C	MAXIMUM

ABKWJOVERALL HEIGHT

THE DISTANCE MEASURED IN A STRAIGHT LINE FROM THE BOTTOM TO THE TOP OF AN ITEM.

Enter the applicable Reply Code from Tables 1 & 2 below followed by a numeric reply with a minimum of one digit, a decimal and a minimum of one digit.

(ABKWJAA2.0*;ABKWJAA2.0$$JAA2.1*)

Table 1
	Reply Code (AA05)	Reply
	A	INCHES
	L	MILLIMETERS

Table 2
	Reply Code (AC20)	Reply
	A	NOMINAL
	B	MINIMUM
	C	MAXIMUM

ABGLJWIDTH

A MEASUREMENT TAKEN AT RIGHT ANGLES TO THE LENGTH OF AN ITEM,IN DISTINCTION FROM THICKNESS.

Enter the applicable Reply Code from Tables 1 & 2 below followed by a numeric reply with a minimum of one digit, a decimal and a minimum of one digit.

(ABGLJAC2.0*;ABGLJAC2.0$$JAC2.1*)

Table 1
	Reply Code (AA05)	Reply
	A	INCHES
	L	MILLIMETERS

Table 2
	Reply Code (AC20)	Reply
	A	NOMINAL
	B	MINIMUM
	C	MAXIMUM

BPBQJTHROAT OPENING SIZE

DESIGNATES THE SIZE OF THE THROAT OPENING.

Enter the applicable Reply Code from Tables 1 & 2 below followed by a numeric reply with a minimum of one digit, a decimal and a minimum of one digit.

(BPBQJAB2.0*;BPBQJAB2.0$$JAB2.1*)

Table 1
	Reply Code (AA05)	Reply
	A	INCHES
	L	MILLIMETERS

Table 2
	Reply Code (AC20)	Reply
	A	NOMINAL
	B	MINIMUM
	C	MAXIMUM

AXEPDCOUPLER TYPE

INDICATES THE TYPE OF COUPLER PROVIDED.

Enter the applicable reply code from the table below

(AXEPDAS*;AXEPDAT$DAS*)

Table 1
	Reply Code (AH98)	Reply
	AS	AUTOMATIC
	AT	MANUAL

IF YOU ANSWER MRC AGUC, YOU MUST ANSWER MRC (AGXZ)

AGUC*AUNIT PACKAGE QUANTITY

THE NUMBER OF ITEMS CONTAINED IN THE UNIT PACKAGE.

Enter the numeric reply with a minimum of one digit.

(AGUCA10*)

AGXZ*DUNIT PACKAGE TYPE

INDICATES THE TYPE OF CONTAINER IN WHICH THE ITEM OF SUPPLY IS PACKAGED. PLEASE USE MRC ALQG IN PLACE OF THIS DISCONTINUED MRC.

Enter the applicable reply code from the table below

(AGXZDAJ*;AGXZDAB$DAB*)

Table 1
	Reply Code (AE96)	Reply
	AB	BOX
	AJ	CARTON

TEST*JTEST DATA DOCUMENT

THE SPECIFICATION,STANDARD,DRAWING,OR SIMILAR INSTRUMENT THAT SPECIFIES ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS OR TEST CONDITIONS UNDER WHICH AN ITEM IS TESTED AND ESTABLISHES ACCEPTABLE LIMITS WITHIN WHICH THE ITEM MUST CONFORM IDENTIFIED BY AN ALPHABETIC AND/OR NUMERIC REFERENCE NUMBER. INCLUDES THE COMMERCIAL AND GOVERNMENT ENTITY (CAGE) CODE OF THE ENTITY CONTROLLING THE INSTRUMENT.

Enter the applicable Reply Code from the table below, followed by the 5-position CAGE Code, a dash, and the document identification number.

(TESTJA12345-CWX654321*; TESTJA1234A-654321$$JB5556A-663654*; TESTJAA2345-654321$JB55566-663654*)

Table 1
	Reply Code (AC28)	Reply
	A	SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
	B	STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
	C	DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)

SPCL*GSPECIAL TEST FEATURES

TEST CONDITIONS AND RATINGS OR ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS THAT ARE DIFFERENT, MORE CRITICAL, OR MORE SPECIFIC THAN THOSE SPECIFIED IN A GOVERNING TEST DATA DOCUMENT.

Enter the reply in clear text.

(SPCLGSELECTED AND TESTED FOR NAVIGATIONAL SYSTEMS*)

ZZZW*GDEPARTURE FROM CITED DOCUMENT

THE TECHNICAL DIFFERENTIATING CHARACTERISTIC(S) OF AN ITEM OF SUPPLY THAT DEPART(S) FROM THE TEXT OF A SPECIFICATION OR A STANDARD IN THAT IT REPRESENTS A SELECTION OF CHARACTERISTICS STATED IN THE SPECIFICATION OR STANDARD AS BEING OPTIONAL OR A VARIATION FROM ONE OR MORE OF THE STATED CHARACTERISTICS OR AN ADDITIONAL CHARACTERISTIC NOT STATED IN THE SPECIFICATION OR STANDARD.

Enter the reply in clear text.

(ZZZWGAS MODIFIED BY MATERIAL*)

ZZZX*GDEPARTURE FROM CITED DESIGNATOR

THE VARIATION WHEN THE ITEM IS IN CONFORMITY WITH A TYPE DESIGNATOR COVERED BY A SPECIFICATION OR STANDARD, EXCEPT IN REGARD TO ONE OR MORE TECHNICAL DIFFERENTIATING CHARACTERISTICS.

Enter the reply in clear text.

(ZZZXGAS MODIFIED BY MATERIAL*)

ELCD*DEXTRA LONG CHARACTERISTIC DESCRIPTION

A DESCRIPTION THAT EXCEEDS 5000 CHARACTERS.

Enter the Reply Code from the table below.

(ELCDDA*)

Table 1
	Reply Code (AN58)	Reply
	A	ADDITIONAL DESCRIPTIVE DATA ON MANUAL RECORD

AWJN*JUNPACKAGED UNIT WEIGHT

THE MEASURED WEIGHT OF AN ITEM UNENCUMBERED BY PACKAGING OR PACKING MATERIAL. PLEASE USE MRC CTJS IN PLACE OF THIS DISCONTINUED MRC.

Enter the applicable Reply Code from Table 1 below followed by a numeric reply with a minimum of one digit, a decimal and a minimum of one digit.

(AWJNJAS2.0*)

Table 1
	Reply Code (AG67)	Reply
	BA	GRAMS
	AJ	KILOGRAMS
	AS	POUNDS

SUPP*GSUPPLEMENTARY FEATURES

CHARACTERISTICS OR QUALITIES OF AN ITEM NOT COVERED IN ANY OTHER REQUIREMENT THAT ARE CONSIDERED ESSENTIAL INFORMATION FOR ONE OR MORE FUNCTIONS, EXCLUDING NSN ASSIGNMENT.

Enter the reply in clear text.Separate multiple replies with a semicolon.

(SUPPGMAY INCL HOLE IN UPPER SUPPORT FOR MTG DURING SHIPMENT* SUPPGMAY INCL HOLE IN UPPER SUPPORT FOR MTG DURING SHIPMENT; BLADE TIEDOWN*)

Reply to this MRC in accordance with Volume 3.

AGAV*GEND ITEM IDENTIFICATION

THE NATIONAL STOCK NUMBER OR THE IDENTIFICATION INFORMATION OF THE END EQUIPMENT FOR WHICH THE ITEM IS A PART.

Enter the reply in clear text.

(AGAVG3930-00-000-0000*; AGAVGFORKLIFT TRUCK, SMITH CORPORATION, MODEL 12, TYPE A*)

This MRC replaced MRC ZZZP

The FSCM identifies the manufacturer or Government agency whose number appears in the Part Number column. When an FSCM does not appear in the current issue of H4-1, H4-2, or H4-3 Cataloging Handbooks, the word "None" will appear in the FSCM column and the name and address of the manufacturer or Government agency will be shown in parentheses following the item description.

PDNB*APURCHASE DESCRIPTION IDENTIFICATION

THE CONTROLLING ACTIVITY AND IDENTIFICATION OF A DOCUMENT USED IN LIEU OF A SPECIFICATION IN THE PROCUREMENT OF AN ITEM OF SUPPLY.

Enter the manufacturers 5-Digit Commercial and Government Entity (CAGE) Code listed in the FEDERAL SUPPLY CODE FOR MANUFACTURERS (FSCM) handbook, followed by a dash and the identifying number of the document, followed by a dash and the identifying number of the document.

(ZZZPJ81A37-30624A*)

KZTS*DCOGNIZANT SERVICE

THE MILITARY SERVICE THAT INITIALLY PROCURED THE ITEM FROM THE CONTRACTOR.

Enter the applicable reply code from the table below

(KZTSDN)

Table 1
	Reply Code (AP57)	Reply
	F	UNITED STATES AIR FORCE
	N	UNITED STATES NAVY
	A	USA

FCLS*AFUNCTIONAL CLASSIFICATION

THE ALPHA-NUMERIC DESIGNATION THAT IDENTIFIES THE CLASSIFICATION OF THE ITEM ACCORDING TO THE CATEGORY OF FUNCTIONS PERFORMED.

Enter the alpha-numeric reply with a minimum of one character.

(FCLSAQ5)

FTLD*GFUNCTIONAL DESCRIPTION

DESCRIBES THE CAPABILITIES,INTENDED USE,AND/OR PURPOSE FOR WHICH THE ITEM IS PROVIDED.

Enter the reply from the applicable document.

(FTLDGUSED TO INSTALL/REMOVE ENGINE NACELLE*)

TMDN*ATYPE/MODEL DESIGNATION

THE ALPHA-NUMERIC-ALPHA DESIGNATION USED TO IDENTIFY THE TYPE AND/OR MODEL OF THE BASIC ITEM.

Enter the alpha-numeric reply with a minimum of one character.

(TMDNAB4)

RTSE*GRELATIONSHIP TO SIMILAR EQUIPMENT

INDICATES THE RELATIONSHIP,SUCH AS CONSTRUCTION,CAPABILITIES,AND THE LIKE,OF THE ITEM TO A SIMILAR ITEM.

Enter concise statement for similar item including name and identifying data.

RDAL*GREFERENCE DATA AND LITERATURE

LITERATURE AND REFERENCES AVAILABLE FOR INFORMATION PERTAINING TO THE ITEM.

Enter data appropriate and in a concise manner to identify informational references covering the item.

(RDALGNAAVAIROIA/VFK58 A-2.2.9*)

NTRD*AENTRY DATE

INDICATES THE DATE THE ITEM WAS ENTERED INTO MIL-HDBK-300.

Enter the date structured in three hyphenated 2 position segments to indicate the last 2 digits of the calendar year, month, and day.

(NTRDA80-05-28*)

ZZZV*GFSC APPLICATION DATA

THE JUSTIFICATION FOR THE ASSIGNMENT OF A FEDERAL SUPPLY CLASS /FSC/ TO AN ITEM BASED ON THE CLASSIFICATION OF THE NEXT HIGHER CLASSIFIABLE ASSEMBLY.

Enter the name of the next higher classifiable assembly in clear text.

(ZZZVGFUEL SYSTEM, GASOLINE ENGINE, NONAIRCRAFT*)

FEAT*GSPECIAL FEATURES

THOSE UNUSUAL OR UNIQUE CHARACTERISTICS OR QUALITIES OF AN ITEM NOT COVERED IN THE OTHER REQUIREMENTS AND WHICH ARE DETERMINED TO BE ESSENTIAL FOR IDENTIFICATION ON ONE OR MORE OTHER FUNCTIONS.

Enter the reply in clear text. Separate multiple replies with a semicolon.

(FEATGADJUSTABLE NOSE CLIP*; FEATGADJUSTABLE NOSE PIECE; DISPOSABLE*)

ZZZK*JSPECIFICATION/STANDARD DATA

THE DOCUMENT DESIGNATOR OF THE SPECIFICATION OR STANDARD WHICH ESTABLISHED THE ITEM OF SUPPLY.

Enter the applicable Reply Code from the table below, followed by the Commercial and Government Entity (CAGE) Code of the entity controlling the document, a dash, and the document designator. The agency that controls the limited coordination document must be preceded and followed by a slash following the designator. The word canceled or superseded must be preceded and followed by a slash for the designator. Professional and industrial association specifications/standards are differentiated from a manufacturer's specification in that the data has been coordinated and published by the professional and industrial association. Include amendments and revisions where applicable.

(ZZZKJT81337-30642B*;ZZZKJS81349-MIL-D-180 REV1/CANCELED/*;ZZZKJP80205-NAS1103*;ZZZKJS81349-MIL-C-1140C/CE/*;ZZZKJT81337-30642B$$JP80205-NAS1103*)

Table 1
	Reply Code (AN62)	Reply
	V	FEDERAL MOTOR VEHICLE SAFETY STANDARD
	F	FLAMMABILITY STANDARD
	S	GOVERNMENT SPECIFICATION
	T	GOVERNMENT STANDARD
	U	INTERNATIONAL STD/SPEC
	D	MANUFACTURERS SOURCE CONTROL
	R	MANUFACTURERS SPECIFICATION
	N	MANUFACTURERS SPECIFICATION CONTROL
	M	MANUFACTURERS STANDARD
	B	NATIONAL STD/SPEC
	A	PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
	P	PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

If the specification/standard cited in reply to MRC ZZZK is nondefinitive, reply to MRC ZZZT. This reply is the data which is not recorded in Segment C.

ZZZT*JNONDEFINITIVE SPEC/STD DATA

THE NUMBER, LETTER, OR SYMBOL INDICATING THE TYPE, STYLE, GRADE, CLASS, AND THE LIKE OF AN ITEM IN A NONIDENTIFYING SPECIFICATION OR STANDARD.

Enter the applicable Reply Code from the table below followed by the appropriate number, letter or symbol.

(ZZZTJTY1*; ZZZTJTY1$$JSTA*; ZZZTJTY1$JSTA*)

Table 1
	Reply Code (AD08)	Reply
	AL	ALLOY
	BE	ANNEALED
	AN	ANNEX
	AP	APPENDIX
	AC	APPLICABILITY CLASS
	AR	ARRANGEMENT
	AS	ASSEMBLY
	AB	ASSORTMENT
	BF	BOND
	BX	BOX
	CY	CAPACITY
	CA	CASE
	CT	CATEGORY
	CF	CIRCUMFERENCE
	CL	CLASS
	CE	CODE
	CR	COLOR
	CC	COMBINATION CODE
	CN	COMPONENT
	CP	COMPOSITION
	CM	COMPOUND
	CD	CONDITION
	AV	CONFIGURATION
	CS	CONSTRUCTION
	BG	CORE CONDITION
	CB	CUT OFF
	AM	DELAY CLASS
	DE	DESIGN
	DG	DESIGNATOR
	DW	DRAWING NUMBER
	DU	DUPLEX
	EG	EDGE
	EN	END
	FY	FAMILY
	FG	FIGURE
	AK	FILE NUMBER
	FN	FINISH
	FB	FLAVOR
	BH	FLUX PERCENTAGE
	FM	FORM
	FA	FORMULA
	AJ	GAGE STOCK NUMBER
	GR	GRADE
	GA	GRADUATION
	AX	GRANULES
	AY	GRIT
	GB	GROUND
	GP	GROUP
	HA	HEAVY DUTY
	BA	IMAGE COLOR
	NS	INSERT
	TM	ITEM
	KD	KIND
	KT	KIT
	LG	LENGTH
	LV	LEVEL
	LT	LIMIT
	MK	MARK
	AA	MARKER
	AD	MASK APERTURE
	ML	MATERIAL
	BB	MAXIMUM DENSITY
	TA	MEDIUM TEMPER
	MH	MESH
	ME	METHOD
	BC	MINIMUM DENSITY
	MD	MODEL
	MT	MOUNTING
	AQ	NATURAL
	AU	NON-DELAY CLASS
	NR	NUMBER
	BL	OUTFIT NUMBER
	PA	PARAGRAPH
	PT	PART
	PN	PATTERN
	PC	PHYSICAL CONDITION
	PS	PIECE
	PL	PLAN
	PR	POINT
	PD	POLISHED
	PB	PRESSURE RATING
	QA	QUALITY
	QB	QUENCHED
	RN	RANGE
	AE	RAPID
	RT	RATING
	RF	REFERENCE NUMBER
	RA	REGULAR DUTY
	BJ	RMA FLUX
	SJ	SALIENT CHARACTERISTICS
	SC	SCHEDULE
	SB	SECTION
	SL	SELECTION
	BD	SERIALIZED
	SE	SERIES
	SV	SERVICE
	SX	SET
	SA	SHADE
	SH	SHAPE
	SG	SHEET
	SZ	SIZE
	AG	SLOW
	TC	SOFT TEMPER
	SK	SOURCE
	PZ	SPECIES
	SQ	SPECIFICATION SHEET
	SD	SPEED
	AW	STANDARD
	SR	STRAIGHT
	ST	STYLE
	SS	SUBCLASS
	SF	SUBFORM
	SP	SUBTYPE
	BK	SUPPORT
	SN	SURFACE CONDITION
	SY	SYMBOL
	SM	SYSTEM
	TB	TABLE
	TN	TANNAGE
	TP	TEMPER
	TX	TEXTURE
	TK	THICKNESS
	TT	TREATMENT
	TR	TRIM
	TY	TYPE
	YN	UNIT
	AZ	UNSERIALIZED
	VA	VARIETY
	WT	WEIGHT
	WD	WIDTH