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National Stock Number:
5305-01-483-6315
Federal Supply Class:
5305
National Item Identification Number:
014836315
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:
| 7377765 | 53711 | NAVAL SEA SYSTEMS COMMAND | | D1419304 | A0461 | CALZONI S.R.L. | | D1419304 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A320, CLASS 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SPECIAL FEATURES | TECH DATA NOT AUTHORIZED FOR RELEASE OUTSIDE U.S.; USED ON VALVE, GATE 4 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNC | | FASTENER LENGTH | 0.875 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | INTERNAL DRIVE STYLE | HEXAGON |
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