5306-00-051-9767, BOLT,SHOULDER

National Stock Number:
5306-00-051-9767

Federal Supply Class:
5306

National Item Identification Number:
000519767

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:

134PM20000-1	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
134PM20000-841	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	28
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.490 INCHES MINIMUM AND
	0.510 INCHES MAXIMUM
FASTENER LENGTH	0.706 INCHES MINIMUM AND
	0.726 INCHES MAXIMUM
MATERIAL	STEEL COMP 4130 OR
	STEEL COMP 8630 OR
	STEEL COMP 8735 OR
	STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR
	MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR
	MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR
	MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	GSS8050M,FSCM 26512 MFR REF SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	27.0 ROCKWELL C MINIMUM AND
	32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	125 POUNDS PER SQUARE INCH
HEAD STYLE	DISHED HEXAGON
HEAD HEIGHT	0.159 INCHES MINIMUM AND
	0.179 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.740 INCHES MINIMUM AND
	0.760 INCHES MAXIMUM
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	0.365 INCHES MINIMUM AND
	0.385 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	0.050 INCHES MINIMUM AND
	0.070 INCHES MAXIMUM FIRST SHOULDER
THE MANUFACTURERS DATA
MANUFACTURERS CODE	26512
DESIGN CONTROL REFERENCE	134PM20000-841

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