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National Stock Number: 5305-00-582-0021
Federal Supply Class: 5305
National Item Identification Number: 005820021
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:
| 302-0335-000 | 13499 | ROCKWELL COLLINS, INC. | | 324-0665-00 | 13499 | ROCKWELL COLLINS, INC. | | 324-0665-000 | 13499 | ROCKWELL COLLINS, INC. | | 324-0665-001 | 13499 | ROCKWELL COLLINS, INC. | | 572045-5 | 98738 | HERLEY CHICAGO DBA STEWART WARNER ELECTRONICS |
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Techincal Specification:
| FASTENER LENGTH | 0.500 INCHES NOMINAL | | HEAD DIAMETER | 0.178 INCHES MINIMUM AND 0.183 INCHES MAXIMUM | | HEAD HEIGHT | 0.109 INCHES MINIMUM AND 0.112 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | SIX SPLINE | | MATERIAL | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | SPLINE MAJOR DIAMETER | 0.098 INCHES NOMINAL | | SPLINE MINOR DIAMETER | 0.082 INCHES NOMINAL | | SPLINE WIDTH | 0.022 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNC |
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