BOLT,MACHINE

5306FSC

00NCB code

812-7720Item number

NIIN 00-812-7720

Identification

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	FIRST HOLE INCHES MINIMUM 0.781 AND INCHES MAXIMUM 0.812
MINIMUM TENSILE STRENGTH	POUNDS PER SQUARE INCH 125000
NOMINAL THREAD DIAMETER	INCHES 0.500
GRIP LENGTH	INCHES MINIMUM 0.172 AND INCHES MAXIMUM 0.203
HARDNESS RATING	OVERALL ROCKWELL C MINIMUM 26.0 AND ROCKWELL C MAXIMUM 32.0
FASTENER LENGTH	INCHES MINIMUM 0.953 AND INCHES MAXIMUM 1.000
HEAD STYLE
FEATURES PROVIDED	FINISHED HEAD
THREAD QUANTITY PER INCH	20
SHANK UNTHREADED HOLE DIAMETER	FIRST HOLE INCHES MINIMUM 0.106 AND INCHES MAXIMUM 0.116
SURFACE TREATMENT	OVERALL CADMIUM AND CHROMATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TYE 2,CLASS 3
MATERIAL	OVERALL STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037
HEAD HEIGHT	INCHES MINIMUM 0.265 AND INCHES MAXIMUM 0.297
WIDTH BETWEEN FLATS	INCHES MINIMUM 0.740 AND INCHES MAXIMUM 0.752
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	INCHES MINIMUM 0.750 AND INCHES MAXIMUM 0.828
THREAD SERIES DESIGNATOR	UNF
MATERIAL DOCUMENT AND CLASSIFICATION	OVERALL MIL SPEC 1ST MATERIAL RESPONSE -IL-S-5626 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-6049 OR MIL SPEC 3RD MATERIAL RESPONSE -IL-S-6050 OR MIL SPEC 4TH MATERIAL RESPONSE -IL-S-6098 OR MIL SPEC 5TH MATERIAL RESPONSE -IL-S-6758 OR ASSN STD 6TH MATERIAL RESPONSE A-S 6300

MOE rule	MOE CD	Date assigned	PICA	PICA LOA	Auth collab
ZG01	ZG	01-APR-95	ZG	81	ZG
ZU01	ZU	01-APR-91	ZU	81	ZU

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