5306-00-052-5670, BOLT,SHOULDER

National Stock Number:
5306-00-052-5670

Federal Supply Class:
5306

National Item Identification Number:
000525670

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:

10870141	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
5306000525670	A00AM	E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE

Techincal Specification:

THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.375 INCHES
THREAD QUANTITY PER INCH	16
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.530 INCHES MINIMUM
FASTENER LENGTH	2.496 INCHES NOMINAL
MATERIAL	STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING	54.0 ROCKWELL C MINIMUM AND
	61.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.314 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.750 INCHES NOMINAL
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	0.4980 INCHES NOMINAL FIRST SHOULDER
SHOULDER LENGTH	1.906 INCHES NOMINAL FIRST SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.107 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	2.121 INCHES NOMINAL FIRST HOLE
FEATURES PROVIDED	CASEHARDENED
SPECIAL FEATURES	THREAD RELIEVED 0.270 DIA BY 0.060 LG THD END CHAMFERED 0.060 LG BY45.0 DEGREES

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