5306-00-006-8034, BOLT,SHOULDER

National Stock Number:
5306-00-006-8034

Federal Supply Class:
5306

National Item Identification Number:
000068034

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:

A51M60630-11	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51M60630-11	61174	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51M60630-11	79RG9	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	28
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.355 INCHES NOMINAL
FASTENER LENGTH	1.375 INCHES NOMINAL
MATERIAL	STEEL CORROSION RESISTING OVERALL
HEAD STYLE	HEXAGON EXTENDED WASHER
HEAD HEIGHT	0.500 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.750 INCHES NOMINAL
EXTENDED WASHER DIAMETER	0.812 INCHES NOMINAL
EXTENDED WASHER THICKNESS	0.062 INCHES NOMINAL
SHOULDER SHAPE	ROUND FIRST SHOULDER
	ROUND SECOND SHOULDER
SHOULDER DIAMETER	0.4985 INCHES MINIMUM AND
	0.4965 INCHES MAXIMUM FIRST SHOULDER
SHOULDER WIDTH ACROSS FLATS	0.375 INCHES NOMINAL FIRST SHOULDER
SHOULDER LENGTH	0.469 INCHES NOMINAL FIRST SHOULDER
	0.551 INCHES NOMINAL SECOND SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	1.225 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.077 INCHES MINIMUM AND
	0.082 INCHES MAXIMUM FIRST HOLE
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT

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