5305-01-143-7119, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-143-7119

Federal Supply Class:
5305

National Item Identification Number:
011437119

Description:
SCREW,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 undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Manufacturer Information:

0N510929

98230

NATIONAL SECURITY AGENCY

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.400 INCHES NOMINAL0.400 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	33
FASTENER LENGTH	0.620 INCHES NOMINAL0.620 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.315 INCHES NOMINAL0.315 INCHES NOMINAL
HEAD HEIGHT	0.500 INCHES NOMINAL0.500 INCHES NOMINAL
HEAD STYLE	DOUBLE HEXAGONDOUBLE HEXAGON
INTERNAL DRIVE STYLE	SLOTSLOT
MATERIAL	STEEL COMP 303 OVERALLSTEEL COMP 303 OVERALL
THREAD LENGTH	0.190 INCHES NOMINAL0.190 INCHES NOMINAL
THREAD DIRECTION	RIGHT-HANDRIGHT-HAND
THREAD SERIES DESIGNATOR	UNUN
WIDTH BETWEEN FLATS	0.001 INCHES NOMINAL0.001 INCHES NOMINAL

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