5306-00-003-3858, BOLT,SHOULDER

5360-00-003-3854 SPRING,HELICAL,COMPRESSION

National Stock Number:
5306-00-003-3858

Federal Supply Class:
5306

National Item Identification Number:
000033858

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:

A51C43591-11	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51C43591-11	61174	NORTHROP GRUMMAN SYSTEMS CORPORATION
PLA51C43591	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51C43591-11	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	0.248 INCHES MINIMUM AND
	0.258 INCHES MAXIMUM
FASTENER LENGTH	1.169 INCHES NOMINAL
MATERIAL	STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	GM1013,COMP D6AC,FSCM26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-8837,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	46.0 ROCKWELL C MINIMUM AND
	49.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	220000 POUNDS PER SQUARE INCH
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.140 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.500 INCHES NOMINAL
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	0.3106 INCHES MINIMUM AND
	0.3112 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	0.840 INCHES MINIMUM AND
	0.850 INCHES MAXIMUM FIRST SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	1.048 INCHES MINIMUM AND
	1.058 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES MINIMUM AND
	0.086 INCHES MAXIMUM FIRST HOLE
THE MANUFACTURERS DATA
MANUFACTURERS CODE	26512
DESIGN CONTROL REFERENCE	A51C43591-11

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