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National Stock Number:
5305-00-297-9169
Federal Supply Class:
5305
National Item Identification Number:
002979169
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:
| 8687915 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.250 INCHES MINIMUM | | FASTENER LENGTH | 5.250 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130H OR | | STEEL COMP 4140 OR | | STEEL COMP 8630 OR | | STEEL COMP 8640 OR | | STEEL COMP 8740 OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.625 INCHES NOMINAL | | HEAD HEIGHT | 0.438 INCHES NOMINAL | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.312 INCHES NOMINAL |
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