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National Stock Number:
5305-01-485-7866
Federal Supply Class:
5305
National Item Identification Number:
014857866
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:
| 1/4-20UNC-3A X 3/4 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6853521 ITEM NO. 23 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281, CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIAL FEATURES | MATT:NI-CU ALLOY;DR HOLE IN HD 0.062 FOR SAFETY WIRE | | THREAD CLASS | 3A | | THREAD LENGTH | 0.750 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 |
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