5306-00-722-8976, BOLT,SHOULDER

National Stock Number:
5306-00-722-8976

Federal Supply Class:
5306

National Item Identification Number:
007228976

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:

4F14117-101A

98897

LOCKHEED MARTIN CORP

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.438 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.410 INCHES MINIMUM
FASTENER LENGTH	3.280 INCHES NOMINAL
MATERIAL	STEEL COMP 4340 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MINIMUM TENSILE STRENGTH	200000 POUNDS PER SQUARE INCH
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.200 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.750 INCHES NOMINAL
SHOULDER SHAPE	ROUND ALL SHOULDERS
SHOULDER DIAMETER	0.623 INCHES MINIMUM AND
	0.624 INCHES MAXIMUM FIRST SHOULDER
	0.498 INCHES MINIMUM AND
	0.499 INCHES MAXIMUM SECOND SHOULDER
SHOULDER LENGTH	2.500 INCHES NOMINAL FIRST SHOULDER
	0.375 INCHES NOMINAL SECOND SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	3.150 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.108 INCHES MINIMUM AND
	0.113 INCHES MAXIMUM FIRST HOLE

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