5306-01-057-6683, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-057-6683

Federal Supply Class:
5306

National Item Identification Number:
010576683

Description:
BOLT,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.

Manufacturer Information:

12266666	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
6695-555	11871	RECON/OPTICAL, INC.
6695-555	80294	BOURNS INSTRUMENTS INC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	1.500 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	2.500 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	3.200 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	3
FASTENER LENGTH	3.200 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.190 INCHES NOMINAL
HEAD HEIGHT	0.200 INCHES NOMINAL
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	ASTMA582 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.3120 INCHES
SECOND DIAMETER FROM HEAD	0.150 INCHES MINIMUM AND 0.152 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.312 INCHES NOMINAL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THIRD DIAMETER FROM HEAD	0.190 INCHES NOMINAL
THREAD LENGTH	0.900 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	20

Click here to Register for Free 30-day Trial