5306-01-040-6886, BOLT,SHOULDER

National Stock Number:
5306-01-040-6886

Federal Supply Class:
5306

National Item Identification Number:
010406886

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:

6091550-1	03640	LOCKHEED MARTIN CORPORATION
LME79-12-B-4	17446	HUCK INTERNATIONAL, INC
LME79-12-B-4	97928	HUCK INTL INC

Techincal Specification:

FASTENER LENGTH	0.875 INCHES MINIMUM AND 0.905 INCHES MAXIMUM
HEAD HEIGHT	0.172 INCHES NOMINAL
HEAD STYLE	DISHED HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF
MATERIAL	IRON ALLOY 660 BEARING SURFACE OF HEAD
NOMINAL THREAD DIAMETER	0.250 INCHES
SHOULDER LENGTH	0.250 INCHES NOMINAL FIRST SHOULDER
SHOULDER SHAPE	ROUND ALL SHOULDERS
SHOULDER DIAMETER	0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM SECOND SHOULDER
SHOULDER DIAMETER	0.374 INCHES NOMINAL FIRST SHOULDER
SHOULDER LENGTH	0.147 INCHES NOMINAL SECOND SHOULDER
WIDTH BETWEEN FLATS	0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625 TY 1 CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-13924 TY 2 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	ANODIZE STAND-OFF
SURFACE TREATMENT	OXIDE FASTENER
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.438 INCHES MINIMUM AND 0.468 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNJF
THREAD QUANTITY PER INCH	28

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