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National Stock Number:
5305-01-497-8533
Federal Supply Class:
5305
National Item Identification Number:
014978533
Description:
SCREW,CAP,SOCKET HEAD
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
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Manufacturer Information:
| 0.250-20UNRC-3A X 0.438LG NICUAL | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 218039406 | 96169 | ELECTRIC BOAT CORPORATION | | 596-7409351-18 | 53711 | NAVAL SEA SYSTEMS COMMAND | | B541-1302-18 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 0.438 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIAL FEATURES | TECH DATA NOT AUTHORIZED FOR RELEASE OUTSIDE OF U.S.; PART OF LDT TRANSFER MID RAILS ASSEMBLY OF SEAWOLF CLASS SUBMARINE, SSN 23 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNRC |
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