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National Stock Number:
5305-01-434-2944
Federal Supply Class:
5305
National Item Identification Number:
014342944
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:
| 12371036 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 12371036 | 7W356 | GENERAL DYNAMICS LAND SYSTEMS INC. |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNRC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.400 INCHES MAXIMUM | | FASTENER LENGTH | 0.470 INCHES MINIMUM AND | | 0.500 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | PLASTIC POLYAMIDE LOCKING FEATURE | | STEEL FASTENER | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F835 ASSN STD SINGLE MATERIAL RESPONSE FASTENER | | SURFACE TREATMENT | OXIDE FASTENER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CL1 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER | | COLOR | BLACK OVERALL | | HEAD STYLE | ROUND | | HEAD DIAMETER | 0.419 INCHES MINIMUM AND | | 0.437 INCHES MAXIMUM | | HEAD HEIGHT | 0.122 INCHES MINIMUM AND | | 0.132 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.156 INCHES MINIMUM | | LOCKING FEATURE | PATCH THREADS |
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