5306-00-003-0583, BOLT,SHOULDER

National Stock Number:
5306-00-003-0583

Federal Supply Class:
5306

National Item Identification Number:
000030583

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:

A51H20614-11	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51H20614-11	61174	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51H20614-11	65777	HOWE MACHINE & TOOL CORP.
A51H20614-11	65780	TEK PRECISION CO LIMITED
A51H20614-11	79RG9	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.195 INCHES MINIMUM AND 2.200 INCHES MAXIMUM FIRST HOLE
HARDNESS RATING	46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.156 INCHES NOMINAL
HEAD STYLE	HEXAGON
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES
SHOULDER DIAMETER	0.5625 INCHES MINIMUM AND 0.5630 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER LENGTH	1.890 INCHES MINIMUM AND 1.895 INCHES MAXIMUM FIRST SHOULDER
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE
WIDTH BETWEEN FLATS	0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
SURFACE TREATMENT	CHROMIUM GRIP
SURFACE TREATMENT	CADMIUM AND CHROMATE THREADS
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH	24

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