5306-00-297-2961, BOLT,SHOULDER

National Stock Number:
5306-00-297-2961

Federal Supply Class:
5306

National Item Identification Number:
002972961

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:

272-4500051-3

38597

LOCKHEED MARTIN CORPORATION

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	3.236 INCHES MINIMUM AND 3.241 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH	3.408 INCHES MINIMUM AND 3.413 INCHES MAXIMUM
HEAD HEIGHT	0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP E4340 OVERALL
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.500 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.107 INCHES NOMINAL FIRST HOLE
SHOULDER DIAMETER	0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	2.924 INCHES MINIMUM AND 2.929 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPE	ROUND FIRST SHOULDER
THREAD CLASS	3A
THREAD LENGTH	0.397 INCHES MINIMUM AND 0.417 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNF
WIDTH BETWEEN FLATS	0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM

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