5305-01-135-5297, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-135-5297

Federal Supply Class:
5305

National Item Identification Number:
011355297

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:

0N220588

98230

NATIONAL SECURITY AGENCY

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.620 INCHES NOMINAL0.620 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	11
FASTENER LENGTH	0.800 INCHES NOMINAL0.800 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.078 INCHES NOMINAL0.078 INCHES NOMINAL
HEAD HEIGHT	0.100 INCHES NOMINAL0.100 INCHES NOMINAL
HEAD STYLE	HEXAGONHEXAGON
INTERNAL DRIVE STYLE	SLOTSLOT
MATERIAL	STEEL CORROSION RESISTING OVERALL
WIDTH BETWEEN FLATS	0.187 INCHES NOMINAL0.187 INCHES NOMINAL
SURFACE TREATMENT	PASSIVATE OVERALLPASSIVATE OVERALL
THREAD LENGTH	0.220 INCHES NOMINAL0.220 INCHES NOMINAL
THREAD DIRECTION	RIGHT-HANDRIGHT-HAND
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)

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