5306-00-674-9016, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-674-9016

Federal Supply Class:
5306

National Item Identification Number:
006749016

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:

2057-1141	05030	RAYTHEON CO MISSILE SYSTEMS DIV LOWELL PLANT
2057-1141	3B150	RAYTHEON COMPANY
2057-1141	49956	RAYTHEON COMPANY
2057-1141	54X10	RAYTHEON COMPANY

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	1.279 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	1.435 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	5
FASTENER LENGTH	1.925 INCHES NOMINAL
FIFTH DIAMETER FROM HEAD	0.238 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.4998 INCHES MINIMUM AND 0.5001 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD	0.3746 INCHES MINIMUM AND 0.3748 INCHES MAXIMUM
HEAD HEIGHT	0.200 INCHES NOMINAL
HEAD STYLE	HEXAGON
MATERIAL	STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES
SECOND DIAMETER FROM HEAD	0.3746 INCHES MINIMUM AND 0.3748 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.625 INCHES NOMINAL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THIRD DIAMETER FROM HEAD	0.312 INCHES NOMINAL
THREAD LENGTH	0.284 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	18
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	1.500 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.050 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIFTH DIAMETER	1.641 INCHES NOMINAL

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