5306-00-953-5242, BOLT,SHOULDER

National Stock Number:
5306-00-953-5242

Federal Supply Class:
5306

National Item Identification Number:
009535242

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:

6-40696-3	76823	NORTHROP GRUMMAN SYSTEMS CORPORATION
6-40696-3	79U29	NORTHROP GRUMMAN SYSTEMS CORPORATION
6406963	76823	NORTHROP GRUMMAN SYSTEMS CORPORATION
VS2521F7-19	92215	HOWMET GLOBAL FASTENING SYSTEMS INC

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	3.615 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH	3.710 INCHES NOMINAL
HEAD DIAMETER	1.120 INCHES NOMINAL
HEAD HEIGHT	0.432 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
HEAD STYLE	ROUND W/WRENCH FLATS CHAMFERED
MATERIAL	STEEL COMP 4340 OVERALL
MINIMUM TENSILE STRENGTH	260000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.500 INCHES
SHOULDER DIAMETER	0.735 INCHES MINIMUM AND 0.738 INCHES MAXIMUM SECOND SHOULDER
SHOULDER DIAMETER	0.747 INCHES MINIMUM AND 0.748 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPE	ROUND ALL SHOULDERS
SHOULDER LENGTH	1.080 INCHES NOMINAL SECOND SHOULDER
SHOULDER LENGTH	1.130 INCHES NOMINAL FIRST SHOULDER
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES NOMINAL FIRST HOLE
SPECIAL FEATURES	THIRD SHOULDER DIA 0.747 IN. MIN AND 0.748 IN. MAX LG 1.124 IN.
WIDTH BETWEEN FLATS	0.867 INCHES MINIMUM AND 0.873 INCHES MAXIMUM
SURFACE TREATMENT	CHROMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.265 INCHES MINIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	20

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