5306-00-003-3863, BOLT,SHOULDER

National Stock Number:
5306-00-003-3863

Federal Supply Class:
5306

National Item Identification Number:
000033863

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:

A51B21565-13	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51B21565-13	61174	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51B21565-13	79RG9	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.500 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.500 INCHES MINIMUM AND
	0.510 INCHES MAXIMUM
FASTENER LENGTH	4.500 INCHES NOMINAL
MATERIAL	STEEL COMP D6AC OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-8649 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-S-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	0.350 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.928 INCHES MINIMUM AND
	0.940 INCHES MAXIMUM
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	0.6230 INCHES MINIMUM AND
	0.6240 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	3.890 INCHES MINIMUM AND
	3.900 INCHES MAXIMUM FIRST SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	4.300 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.101 INCHES MINIMUM AND
	0.111 INCHES MAXIMUM FIRST HOLE
TEST DATA DOCUMENT	81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
THE MANUFACTURERS DATA
MANUFACTURERS CODE	26512
DESIGN CONTROL REFERENCE	A51B21565-13

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