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National Stock Number:
5305-01-502-2003
Federal Supply Class:
5305
National Item Identification Number:
015022003
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-3AX0.500LG CRES | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 211090685 | 96169 | ELECTRIC BOAT CORPORATION | | 596-7409667-24 | 53711 | NAVAL SEA SYSTEMS COMMAND | | B831-2400-24 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 0.500 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | FF-S-86, TYPE 4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIAL FEATURES | TECH DATA NOT AUTHORIZED FOR RELEASE OUTSIDE OF U.S.; ITEM IS SELF-LOCKING; THREADS TO BE COATED WITH ANTI-GALLING COMPOUND IAW MIL-L-24131; USED ON CARGO BAY CENTER/OUTBOARD HOIST DRIVE ASSEMBLY; SWLF CLASS SUBMARINE, SSN 23 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNRC |
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