An item designed to be mounted on a panel, chassis or the like, to grip and lock a dial or knob to a fixed position. For items designed to clamp around the shaft to which the dial or knob is affixed, see SHAFT LOCK, ELECTRICAL COMPONENT.

FSC Information

5355	Knobs and Pointers

Colloquial Information

H6273	KNOB LOCK
H9127	SCALE LOCK
H3850	DIAL LOCK
J3994	LOCK,KNOB

Change List

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

Enter the item name code.

STYLLSTYLE DESIGNATOR

THE STYLE DESIGNATION INDICATING THE CONFIGURATION THAT MOST NEARLY CORRESPONDS TO THE APPEARANCE OF THE ITEM.

Review the representative drawings below, find the drawing which best represents your item.Use the Physical Drawing ID (eg: AAT1001) to identify the row(s) in the table which are applicable to your drawing.Enter the applicable reply code from the table below.

Table 1
Physical Drawing ID	Reply Code (STYL)	Reply
BK10101	101	RIBBED
BK10102	102	KNURLED
BK10103	103	SPRING
BK10104	104	SPRING
BK10105	105	CLAMP
BK10106	107	LOCKNUT

ABSXDATTACHMENT METHOD

THE MEANS USED TO ATTACH THE ITEM.

Enter the applicable reply code from the table below

(ABSXDAJ*;ABSXDAB$DCA*;ABSXDAB$$DCA*)

Table 1
	Reply Code (AB47)	Reply
	HN	BOLT
	SL	BRACKET MOUNTED
	CA	CENTER HOLE
	AB	CLAMP
	AC	NUT
	XR	SCREW ON
	CD	SHAFT
	AX	SPRING CLIP
	TD	STUD
	AJ	THREADED HOLES

ABFR*ASETSCREW HOLE QUANTITY

THE NUMBER OF SETSCREW HOLES INCLUDED ON THE ITEM.

Enter the numeric reply with a minimum of one digit.

THSD*DTHREAD SERIES DESIGNATOR

A DESIGNATION DISTINGUISHING ONE GROUP OF THREAD DIAMETER-PITCH COMBINATIONS FROM ANOTHER BY THE NUMBER OF THREADS PER MEASUREMENT SCALE FOR A SPECIFIC DIAMETER.

Enter the applicable reply code from the table below

Table 1
	Reply Code (AH06)	Reply
	SM	ISO M
	SS	ISO S
	EM	M
	MJ	MJ
	SJ	SI
	SK	SI-M
	UN	UN
	NC	UNC
	NE	UNEF
	NF	UNF
	NJ	UNJ
	NS	UNS

CQJX*JNOMINAL THREAD SIZE

A DESIGNATION THAT IS USED FOR THE PURPOSE OF GENERAL IDENTIFICATION OF THE THREAD.

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.

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

CTTC*JTHREAD TOLERANCE CLASS

A NUMERIC-ALPHA DESIGNATOR INDICATING ESTABLISHED PITCH AND CREST DIAMETER TOLERANCE POSITION AND GRADE.

Enter the applicable Reply Code from Table 1 below followed by a alpha-numeric reply with a minimum of one character.

(CTTCJNTE2.0*;CTTCJNTE2.0$$JNTE2.1*)

Table 1
	Reply Code (AN73)	Reply
	EXT	EXTERNAL
	NTE	INTERNAL

AAJE*JTHREAD PITCH DIAMETERS

THE MINIMUM AND MAXIMUM PITCH DIAMETER LIMITS OF A STRAIGHT SCREW THREAD.

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. Precede negative values (below zero degrees) with the letter M, and positive values (zero and above) with the letter P.

(AAJEJAM32.0/P50.0*)

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

CMLP*ATHREAD QUANTITY PER INCH

THE NUMBER OF THREADS ON THE ITEM PER LINEAR INCH MEASURED ON A LINE PARALLEL TO THE THREAD AXIS.

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

THE CHEMICAL COMPOUND OR MECHANICAL MIXTURE PROPERTIES OF WHICH THE ITEM IS FABRICATED.

Enter the applicable reply code from the table below

(MATTDALB000*;MATTDCU0088$DALA000*;MATTDCU0088$$DALA000*)

Table 1
	Reply Code (MA01)	Reply
	ALA000	ALUMINUM
	ALB000	ALUMINUM ALLOY
	CUB000	COPPER ALLOY
	CU0074	COPPER ALLOY 230
	CU0076	COPPER ALLOY 240
	CU0079	COPPER ALLOY 260
	CU0080	COPPER ALLOY 268
	CU0088	COPPER ALLOY 342
	CU0089	COPPER ALLOY 353
	PCA000	PLASTIC
	PCBN00	PLASTIC CELLULOSE ACETATE BUTYRATE
	STA000	STEEL
	STB000	STEEL CORROSION RESISTING

SFTT*DSURFACE TREATMENT

THE METALLIC,NONMETALLIC,AND/OR CHEMICAL PROPERTIES WITH WHICH THE ITEM IS PLATED,DIPPED,AND/OR COATED.THE TREATMENT IS DESIGNED TO PROTECT THE SURFACE(S) AND CANNOT BE WIPED OFF.

Enter the applicable reply code from the table below

(SFTTDPSA000*;SFTTDNLA000$DANA000*;SFTTDNLA000$$DANA000*)

Table 1
	Reply Code (SF01)	Reply
	ANA000	ANODIZE
	CDA000	CADMIUM
	NLA000	NICKEL
	XXB000	OXIDE
	PSA000	PASSIVATE
	ZNA000	ZINC

ABWJ*JITEM ACCOMMODATED MAXIMUM DIAMETER

THE MAXIMUM LENGTH OF A STRAIGHT LINE WHICH PASSES THROUGH THE CENTER OF THE ACCOMMODATED ITEM,AND TERMINATES AT THE CIRCUMFERENCE.

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.

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

ABWK*JITEM ACCOMMODATED MAXIMUM THICKNESS

THE MAXIMUM MEASUREMENT OF THE SMALLEST DIMENSION OF THE ACCOMMODATED ITEM,IN DISTINCTION FROM LENGTH OR WIDTH.

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.

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

ABWL*DLOCKING ADJUSTMENT TYPE

INDICATES THE TYPE OF TIGHTENING DEVICE FOR LOCKING THE ITEM.

Enter the applicable reply code from the table below

Table 1
	Reply Code (AB53)	Reply
	C	FRICTION KNOB
	A	KNURLED NUT
	D	LOOP
	B	SPRING CLIP

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
	S	GOVERNMENT SPECIFICATION
	T	GOVERNMENT STANDARD
	D	MANUFACTURERS SOURCE CONTROL
	R	MANUFACTURERS SPECIFICATION
	N	MANUFACTURERS SPECIFICATION CONTROL
	M	MANUFACTURERS STANDARD
	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
	AN	ANNEX
	AP	APPENDIX
	AC	APPLICABILITY CLASS
	AR	ARRANGEMENT
	AS	ASSEMBLY
	AB	ASSORTMENT
	BX	BOX
	CY	CAPACITY
	CA	CASE
	CT	CATEGORY
	CL	CLASS
	CE	CODE
	CR	COLOR
	CC	COMBINATION CODE
	CN	COMPONENT
	CP	COMPOSITION
	CM	COMPOUND
	CD	CONDITION
	CS	CONSTRUCTION
	DE	DESIGN
	DG	DESIGNATOR
	DW	DRAWING NUMBER
	EG	EDGE
	EN	END
	FY	FAMILY
	FG	FIGURE
	FN	FINISH
	FM	FORM
	FA	FORMULA
	GR	GRADE
	GP	GROUP
	NS	INSERT
	TM	ITEM
	KD	KIND
	KT	KIT
	LG	LENGTH
	LT	LIMIT
	MK	MARK
	ML	MATERIAL
	MH	MESH
	ME	METHOD
	MD	MODEL
	MT	MOUNTING
	NR	NUMBER
	PT	PART
	PN	PATTERN
	PC	PHYSICAL CONDITION
	PS	PIECE
	PL	PLAN
	PR	POINT
	QA	QUALITY
	RN	RANGE
	RT	RATING
	RF	REFERENCE NUMBER
	SC	SCHEDULE
	SB	SECTION
	SL	SELECTION
	SE	SERIES
	SV	SERVICE
	SX	SET
	SA	SHADE
	SH	SHAPE
	SG	SHEET
	SZ	SIZE
	PZ	SPECIES
	SQ	SPECIFICATION SHEET
	SD	SPEED
	ST	STYLE
	SS	SUBCLASS
	SF	SUBFORM
	SP	SUBTYPE
	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
	VA	VARIETY
	WT	WEIGHT
	WD	WIDTH

ZZZY*GREFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS

A FEATURE OF THE ITEM OF SUPPLY WHICH MUST BE SPECIFICALLY RECORDED WHEN THE REFERENCE NUMBER COVERS A RANGE OF ITEMS.

Enter the reply in clear text.

(ZZZYGCOLOR CODED LEADS*; ZZZYGAS DIFFERENTIATED BY MATERIAL*)

Reply to this requirement only if the header record for the item identification for the item being identified has been coded as critical.

CRTL*ACRITICALITY CODE JUSTIFICATION

THE MASTER REQUIREMENT CODES OF THOSE REQUIREMENTS WHICH ARE TECHNICALLY CRITICAL BY REASON OF TOLERANCE,FIT,PERFORMANCE,OR OTHER CHARACTERISTICS WHICH AFFECT IDENTIFICATION OF THE ITEM.

Enter the Master Requirement Code for the requirement, the reply to which renders the item as being critical.

(CRTLAAKJA*; CRTLAAKJA$$ACSGS*)

If document availability code B, D, F, OR H, reply to MRC PRPY.

PRPY*APROPRIETARY CHARACTERISTICS

IDENTIFICATION OF THOSE CHARACTERISTICS INCLUDED IN THE DESCRIPTION FOR WHICH A NON-GOVERNMENT ACTIVITY HAS IDENTIFIED ALL OR SELECTED CHARACTERISTICS OF THE ITEM AS BEING PROPRIETARY AND THEREFORE RESTRICTED FROM RELEASE OUTSIDE THE GOVERNMENT WITHOUT PRIOR PERMISSION OF THE ORIGINATOR OF THE DATA.

Enter the MRC codes of the individual characteristics of the description which are marked proprietary on the technical data, using and coding ($) for multiple characteristics. If all the MRCS are proprietary, enter the reply PACS. If none of the MRCS is proprietary, enter the reply NPAC.

(PRPYAPACS*;PRPYANPAC*; PRPYAMATL$$ASURF*)

ELRN*GEXTRA LONG REFERENCE NUMBER

A REFERENCE NUMBER EXCEEDING 32 POSITIONS.

Enter the entire reference number. Do not include the 5-position Commercial and Government Entity (CAGE) Code unless there is more than one extra long reference number on the NSN.If there is more than one extra long reference number on the NSN, include the CAGE or NCAGE and separate each reference by using the "&" character.

(e.g., CAGE112036BIL060557LEN313605UZ62365 & CAGE112036BIL060557LEN313605UZ62365)

In determining quantity of characters in the reference number, count will be made after modification in accordance with Volume 2, Chapter 9, FLIS Procedures Manual, DoD 4100.39-M.

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*)

HZRD*DHAZARDOUS SUBSTANCES

THE SUBSTANCES AND/OR MATERIALS CONTAINED IN THE ITEM THAT HAVE BEEN IDENTIFIED AS HAZARDOUS OR ENVIRONMENTALLY DAMAGING BY THE ENVIRONMENTAL PROTECTION AGENCY OR OTHER AUTHORIZED GOVERNMENT AGENCY.

Enter the applicable reply code from the table below

(HZRDDHAZ008*;HZRDDHAZ011$$DHAZ029*)

Table 1
	Reply Code (HZ00)	Reply
	HAZ008	CADMIUM
	HAZ011	CHROMIUM
	HAZ029	LEAD

CXCY*GPART NAME ASSIGNED BY CONTROLLING AGENCY

THE NAME ASSIGNED TO THE ITEM BY THE GOVERNMENT AGENCY OR COMMERCIAL ORGANIZATION CONTROLLING THE DESIGN OF THE ITEM.

Enter the reply in clear text.

(CXCYGLINE PROCESSOR CONTROL BOARD*)

CLQL*GCOLLOQUIAL NAME

A COMMON USAGE NAME BY WHICH AN ITEM IS KNOWN.

Enter the reply in clear text.

(CLQLGWOVEN WIRE CLOTH*)