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National Stock Number: 5305-00-206-8326
Federal Supply Class: 5305
National Item Identification Number: 002068326
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:
101T973 | 48521 | COLT INDUSTRIES OPERATING CORP PRATT AND WHITNEY MACHINE TOOL DIV | 64H135-13 | 79500 | WESTINGHOUSE ELECTRIC CORP | FFS86 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
FASTENER LENGTH | 0.812 INCHES NOMINAL | HEAD DIAMETER | 0.375 INCHES NOMINAL | HEAD HEIGHT | 0.250 INCHES NOMINAL | HEAD STYLE | FLAT CHAMFER | INTERNAL DRIVE STYLE | HEXAGON | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | NOMINAL THREAD DIAMETER | 0.250 INCHES | SPECIAL FEATURES | HEAD KNURLED | WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.812 INCHES MINIMUM | THREAD QUANTITY PER INCH | 28 | THREAD SERIES DESIGNATOR | UNF |
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