BOLT,MACHINE

5306FSC

01NCB code

282-7488Item number

NIIN 01-282-7488

Identification

Part number: MS21279-24
CAGE: 96906
MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
CAGE status: A
RNCC: 2
RNVC: 2
Document availability code: 4
RNAAC: 9Z
RNSC: D

THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	INCHES MINIMUM 0.625 AND INCHES MAXIMUM 0.685
FASTENER LENGTH	INCHES MINIMUM 1.615 AND INCHES MAXIMUM 1.635
HEAD STYLE
HEAD HEIGHT	INCHES MINIMUM 0.250 AND INCHES MAXIMUM 0.270
WIDTH BETWEEN FLATS	INCHES MINIMUM 0.243 AND INCHES MAXIMUM 0.251
EXTENDED WASHER DIAMETER	INCHES MINIMUM 0.365 AND INCHES MAXIMUM 0.385
EXTENDED WASHER THICKNESS	INCHES MINIMUM 0.040 AND INCHES MAXIMUM 0.050
NOMINAL THREAD DIAMETER	INCHES 0.190
GRIP LENGTH	INCHES MINIMUM 0.940 AND INCHES MAXIMUM 1.000
FEATURES PROVIDED	FINISHED HEAD
THREAD QUANTITY PER INCH	32
MINIMUM TENSILE STRENGTH	POUNDS PER SQUARE INCH 130000
HARDNESS RATING	OVERALL ROCKWELL C MINIMUM 24.0 AND ROCKWELL C MAXIMUM 35.0
MINIMUM YIELD STRENGTH	POUNDS PER SQUARE INCH 85000
SURFACE FINISH	HEAD MICROINCHES 125.0
SURFACE FINISH	GRIP MICROINCHES 63.0
SURFACE FINISH	THREADS MICROINCHES 32.0
MATERIAL	OVERALL IRON ALLOY 660
MATERIAL DOCUMENT AND CLASSIFICATION	OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S5736,UNS S66286
SUPPLEMENTARY FEATURES	MFR SPEC AMS 7478,649.0 DEG C TEMP MAX APPL,EXCEPT HOT OR COLD UPSET FORMED HEADS
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)
SPECIFICATION/STANDARD DATA	GOVERNMENT STANDARD 96906-NS21279

MOE rule	MOE CD	Date assigned	PICA	PICA LOA	Auth collab
YA01	YA	01-MAY-12	YA	81	YA
YB01	YB	01-JUN-99	YB	81	YB
YC01	YC	01-JUN-15	YC	81	YC
ZK01	ZK	01-APR-91	ZK	81	ZK

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