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National Stock Number:
5305-01-439-2887
Federal Supply Class:
5305
National Item Identification Number:
014392887
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:
| 91275A537 | 39428 | MCMASTER-CARR SUPPLY CO | | 96452A537 | 39428 | MCMASTER-CARR SUPPLY CO | | PWA76855-18 | 77445 | RTX CORPORATION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.400 INCHES MAXIMUM | | FASTENER LENGTH | 0.500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | COLOR | BLACK OVERALL | | HEAD STYLE | BUTTON | | 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 | TORX | | SPLINE MAJOR DIAMETER | 0.183 INCHES NOMINAL |
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