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National Stock Number:
5305-01-274-1263
Federal Supply Class:
5305
National Item Identification Number:
012741263
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:
| 3C3578P11 | 07482 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| COLOR | BLACK OVERALL | | FASTENER LENGTH | 0.250 INCHES NOMINAL | | HEAD HEIGHT | 0.306 INCHES MINIMUM AND 0.313 INCHES MAXIMUM | | HEAD DIAMETER | 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | WIDTH ACROSS FLATS | 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.139 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 18 |
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