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National Stock Number:
5305-01-408-9531
Federal Supply Class:
5305
National Item Identification Number:
014089531
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:
| 585-6406620-120 | 53711 | NAVAL SEA SYSTEMS COMMAND | | FFS86TYIV5/16-1 8UNRC-3AX11/4LS | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | FFS86TYIV5/16-18UNRC-3AX11/4SLF | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNRC | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 3A | | FASTENER LENGTH | 1.250 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY K-500 OVERALL | | HEAD STYLE | FLAT COUNTERSUNK | | COUNTERSINK ANGLE | 82.0 DEGREES MINIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | LOCKING FEATURE | PATCH OR | | STRIP OR | | PELLET THREADS |
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