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National Stock Number:
5305-01-476-0673
Federal Supply Class:
5305
National Item Identification Number:
014760673
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.
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Manufacturer Information:
| 431128-1 | 00752 | L3HARRIS TECHNOLOGIES, INC. | | 431128-1 | 0R7K8 | COMMONWEALTH TRADING CORPORATION |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | EXTERNAL THREAD TOLERANCE CLASS | 2A | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 0.500 INCHES NOMINAL | | HEAD DIAMETER | 0.279 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | NONSTANDARD THREAD PITCH DIAMETER | +0.0175 TO 0.0281 INCHES | | SPECIAL FEATURES | MADE FROM CORROSION RESISTANT STEEL; UNTHREADED PORTION UNDERCUT TO 0.095 INCH | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.200 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD SERIES DESIGNATOR | UNC | | THREAD PITCH IN MILLIMETERS | 0.7937 | | THREAD QUANTITY PER INCH | 32 |
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