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National Stock Number:
5305-01-183-8422
Federal Supply Class:
5305
National Item Identification Number:
011838422
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:
| 13214E2562 | 97403 | CECOM LR CENTER |
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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 | 0.469 INCHES MINIMUM AND | | 0.500 INCHES MAXIMUM | | FASTENER LENGTH | 0.713 INCHES MINIMUM AND | | 0.750 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM OR | | ZINC OVERALL | | MINIMUM TENSILE STRENGTH | 495 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.365 INCHES MINIMUM AND | | 0.375 INCHES MAXIMUM | | HEAD HEIGHT | 0.244 INCHES MINIMUM AND | | 0.250 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.1875 INCHES MINIMUM AND | | 0.190 INCHES MAXIMUM |
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