5306-00-076-4052, BOLT,SHOULDER

5306-00-076-4053 BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-076-4052

Federal Supply Class:
5306

National Item Identification Number:
000764052

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:

123CVM10124-1	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
123CVM10124-1	79RG9	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.375 INCHES
THREAD QUANTITY PER INCH	24
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.595 INCHES MINIMUM AND
	0.620 INCHES MAXIMUM
FASTENER LENGTH	1.708 INCHES MINIMUM AND
	1.728 INCHES MAXIMUM
MATERIAL	STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-8699 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CHROMIUM OVERALL
	PAINT HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	GSS8250,FSCM26512 MFR REF 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	ROUND W/WRENCH FLATS
HEAD DIAMETER	0.865 INCHES MINIMUM AND
	0.885 INCHES MAXIMUM
HEAD HEIGHT	0.115 INCHES MINIMUM AND
	0.135 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.720 INCHES MINIMUM AND
	0.730 INCHES MAXIMUM
SHOULDER SHAPE	ROUND ALL SHOULDERS
SHOULDER DIAMETER	0.4985 INCHES MINIMUM AND
	0.4995 INCHES MAXIMUM ALL SHOULDERS
SHOULDER LENGTH	0.397 INCHES MINIMUM AND
	0.417 INCHES MAXIMUM FIRST SHOULDER
	0.433 INCHES MINIMUM AND
	0.468 INCHES MAXIMUM SECOND SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	1.480 INCHES MINIMUM AND
	1.520 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.105 INCHES MINIMUM AND
	0.110 INCHES MAXIMUM FIRST HOLE
SPECIAL FEATURES	WHITE INSIGNIA LACQUER
THE MANUFACTURERS DATA
MANUFACTURERS CODE	79RG9
DESIGN CONTROL REFERENCE	123CVM10124-1

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