5306-01-195-4999, BOLT,SHOULDER

National Stock Number:
5306-01-195-4999

Federal Supply Class:
5306

National Item Identification Number:
011954999

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:

SM-B-697039

80063

US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR

Techincal Specification:

THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.596 INCHES NOMINAL
FASTENER LENGTH	1.969 INCHES NOMINAL
MATERIAL	STEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	OXIDE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-13924 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.093 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.500 INCHES NOMINAL
SHOULDER SHAPE	ROUND ALL SHOULDERS
SHOULDER DIAMETER	0.296 INCHES MINIMUM AND
	0.300 INCHES MAXIMUM THIRD SHOULDER
	0.365 INCHES MINIMUM AND
	0.369 INCHES MAXIMUM SECOND SHOULDER
	0.438 INCHES MINIMUM FOURTH HOLE
SHOULDER LENGTH	0.495 INCHES MINIMUM AND
	0.505 INCHES MAXIMUM THIRD SHOULDER
	0.109 INCHES MINIMUM AND
	0.129 INCHES MAXIMUM SECOND SHOULDER
	0.704 INCHES MINIMUM FOURTH HOLE
SPECIAL FEATURES	FIRST SHOULDER THREADED 0.4375-20 UNF 2A

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