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National Stock Number:
5305-01-351-4307
Federal Supply Class:
5305
National Item Identification Number:
013514307
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:
| A3131522 | 0HGX3 | GENERAL DYNAMICS LAND SYSTEMS, INC. | | A3131522 | 1J9T5 | TALLAHASSEE TECHNOLOGIES, INC | | A3131522-1 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR | | A3131761-6 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| COLOR | BLACK OVERALL | | COUNTERSINK ANGLE | 80.0 RADIANS MINIMUM AND 82.0 RADIANS MAXIMUM | | FASTENER LENGTH | 1.862 INCHES NOMINAL | | HEAD DIAMETER | 0.304 INCHES MINIMUM AND 0.332 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE II | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A555 CONDTION A ASSN STD 1ST MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 410 OVERALL | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | IL-C-13924 MIL SPEC 10TH TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | THREAD LENGTH | 0.197 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 |
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