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National Stock Number:
5305-01-467-0981
Federal Supply Class:
5305
National Item Identification Number:
014670981
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:
| 12975658 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| FASTENER LENGTH | 0.218 INCHES NOMINAL | | HEAD DIAMETER | 0.250 INCHES NOMINAL | | HEAD HEIGHT | 0.125 INCHES NOMINAL | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763;TYPE303 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SPECIAL FEATURES | ALL EDGES AND CORNERS SHALL BE FREE OF BURS;FINISH: GLASS BEAD PEEN BLAST IAW MIL-STD-852, COPPER PLATE IAW MIL-C-14550, CLASS4, ELECTROLESS NICKEL PLATE IAW MIL-C-26074, CLASS 4, RADE B;ALL FILLET RADII SHOWN AS SHARP EDGES SHALL BE .015 IN MAX; WORKMANSHIP IN ACCORDANCE WITH MIL-HDBK-454, GUIDELINE9;ARMORED RECONNAISANCE-AIRBORNE ASSA. | | THREAD CLASS | 32 | | THREAD LENGTH | 0.218 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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