5306-00-225-2774, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-225-2774

Federal Supply Class:
5306

National Item Identification Number:
002252774

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:

10180251

18876

U S ARMY AVIATION AND MISSILE COMMAND

Techincal Specification:

NOMINAL THREAD DIAMETER	0.500 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-STD-171 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.500 INCHES NOMINAL
THREAD QUANTITY PER INCH	13
THREAD SERIES DESIGNATOR	UNC
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.930 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	1.590 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.250 INCHES NOMINAL
HEAD DIAMETER	0.310 INCHES MINIMUM AND 0.311 INCHES MAXIMUM
HEAD HEIGHT	0.670 INCHES NOMINAL
HEAD STYLE	FLAT CHAMFER
HOLE DIAMETER	0.125 INCHES MINIMUM AND 0.129 INCHES MAXIMUM
HOLE CONFIGURATION STYLE	ROUND
HOLE QUANTITY	1
HOLE TYPE	DRILLED
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 303 OVERALL
POINT STYLE	CONE
PROPRIETARY CHARACTERISTICS	PACS

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