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National Stock Number:
5305-01-256-4448
Federal Supply Class:
5305
National Item Identification Number:
012564448
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:
| 803-1385623-054-52 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| LOCKING FEATURE | PATCH THREADS OR PELLET THREADS OR STRIP THREADS | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | NICKEL ALLOY R-405 OVERALL OR NICKEL ALLOY 400 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.900 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC | | FASTENER LENGTH | 1.000 INCHES NOMINAL | | HEAD HEIGHT | 0.130 INCHES MINIMUM AND 0.144 INCHES MAXIMUM | | HEAD DIAMETER | 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | SLOT |
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