BOLT,CLOSE TOLERANCE

5306FSC

00NCB code

180-0357Item number

NIIN 00-180-0357

Identification

Part number	CAGE	CAGE status	RNCC	RNVC	Document availability code	RNAAC	RNFC	RNSC
B6812	81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M	A	4	1	X	XX	3	D
AN175-61	88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE	A	2	2	X	XX	3	D

MINIMUM TENSILE STRENGTH	POUNDS PER SQUARE INCH 125000
HARDNESS RATING	OVERALL ROCKWELL C MINIMUM 26.0 AND ROCKWELL C MAXIMUM 32.0
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	FIRST HOLE INCHES NOMINAL 6.047
THREAD LENGTH	INCHES MINIMUM 0.531
FASTENER LENGTH	INCHES NOMINAL 6.219
HEAD STYLE
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	24
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
GRIP DIAMETER	INCHES MINIMUM 0.3112 AND INCHES MAXIMUM 0.3117
HEAD HEIGHT	INCHES MINIMUM 0.172 AND INCHES MAXIMUM 0.204
SURFACE FINISH	BEARING SURFACE OF HEAD MICROINCHES 63.0
SURFACE FINISH	GRIP MICROINCHES 63.0
MATERIAL	OVERALL STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4140 OR STEEL COMP 4130 OR STEEL COMP 4037
SHANK UNTHREADED HOLE DIAMETER	FIRST HOLE INCHES NOMINAL 0.076
NOMINAL THREAD DIAMETER	INCHES 0.312
GRIP LENGTH	INCHES NOMINAL 5.688
SURFACE TREATMENT	OVERALL CADMIUM AND CHROMATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416 TY2 CL3
WIDTH BETWEEN FLATS	INCHES MINIMUM 0.490 AND INCHES MAXIMUM 0.502

MOE rule	MOE CD	Date assigned	PICA	PICA LOA	Auth collab
YA01	YA	01-AUG-00	YA	81	YA
ZC01	ZC	01-APR-91	ZC	81	ZC
ZU01	ZU	01-APR-91	ZU	81	ZU

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