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National Stock Number:
5305-01-529-9702
Federal Supply Class:
5305
National Item Identification Number:
015299702
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:
| 7117164C408 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 1.000 INCHES NOMINAL | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM OVERALL | | HEAD DIAMETER | 0.375 INCHES MAXIMUM | | HEAD HEIGHT | 0.127 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH ACROSS FLATS | 0.125 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TY II, CL FE/ZN 12 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.000 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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