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National Stock Number:
5305-00-579-3500
Federal Supply Class:
5305
National Item Identification Number:
005793500
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:
| 5013608 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.172 INCHES MINIMUM | | FASTENER LENGTH | 0.302 INCHES MINIMUM AND | | 0.322 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.430 INCHES MINIMUM AND | | 0.440 INCHES MAXIMUM | | COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND | | 82.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | LOCKING FEATURE | DISTORTIONS HEAD |
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