5305-01-135-5299, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-135-5299

Federal Supply Class:
5305

National Item Identification Number:
011355299

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:

0N220394

98230

NATIONAL SECURITY AGENCY

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.059 INCHES NOMINAL0.059 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	66
FASTENER LENGTH	0.085 INCHES NOMINAL0.085 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.220 INCHES NOMINAL0.220 INCHES NOMINAL
HARDNESS RATING	40.0 ROCKWELL C NOMINAL OVERALL40.0 ROCKWELL C NOMINAL OVERALL
HEAD HEIGHT	1.000 INCHES NOMINAL1.000 INCHES NOMINAL
HEAD STYLE	HEXAGONHEXAGON
INTERNAL DRIVE STYLE	W/O INTERNAL DRIVEW/O INTERNAL DRIVE
MATERIAL	ALUMINUM ALLOY OVERALLALUMINUM ALLOY OVERALL
MINIMUM YIELD STRENGTH	160000 POUNDS PER SQUARE INCH160000 POUNDS PER SQUARE INCH
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH160000 POUNDS PER SQUARE INCH
SINGLE SHEAR STRENGTH	29150 POUNDS PER SQUARE INCH29150 POUNDS PER SQUARE INCH
THREAD DIRECTION	RIGHT-HANDRIGHT-HAND
THREAD LENGTH	0.025 INCHES NOMINAL0.025 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS	0.375 INCHES NOMINAL0.375 INCHES NOMINAL

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