5306-00-297-8522, BOLT,SHOULDER

National Stock Number:
5306-00-297-8522

Federal Supply Class:
5306

National Item Identification Number:
002978522

Description:
BOLT,SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than No. 10 (0.190 IN.) (5 mm) and those items with an inserted drive head, use SCREW, SHOULDER. For items which are No. 10 (0.190 IN.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use BOLT, EXTERNALLY RELIEVED BODY. Excludes THUMBSCREW.

Manufacturer Information:

272-4800016

38597

LOCKHEED MARTIN CORPORATION

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	1.137 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH	1.347 INCHES NOMINAL
HEAD HEIGHT	0.156 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4130 OVERALL
MINIMUM TENSILE STRENGTH	125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES MAXIMUM FIRST HOLE
SHOULDER DIAMETER	0.3114 INCHES MINIMUM AND 0.3119 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	0.972 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPE	ROUND FIRST SHOULDER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD LENGTH	0.297 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNF
WIDTH BETWEEN FLATS	0.500 INCHES MAXIMUM

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