5306-00-003-6539, BOLT,SHOULDER

National Stock Number:
5306-00-003-6539

Federal Supply Class:
5306

National Item Identification Number:
000036539

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:

A51M42539-11	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51M42539-11	61174	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51M42539-11	79RG9	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	1.786 INCHES MINIMUM AND 1.796 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH	1.957 INCHES MINIMUM AND 1.967 INCHES MAXIMUM
HEAD HEIGHT	0.188 INCHES NOMINAL
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	G-1010,FSC-26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES
SHOULDER DIAMETER	0.6226 INCHES MINIMUM AND 0.6236 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	1.519 INCHES MINIMUM AND 1.529 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE
WIDTH BETWEEN FLATS	0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.438 INCHES MINIMUM
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

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