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National Stock Number: 5305-01-370-6948
Federal Supply Class: 5305
National Item Identification Number: 013706948
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:
87500980-001 | 0PXV4 | THE BOEING COMPANY | 87500980-001 | 81873 | WOODWARD HRT INC |
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Techincal Specification:
FASTENER LENGTH | 2.500 INCHES NOMINAL | HEAD DIAMETER | 0.468 INCHES NOMINAL | HEAD HEIGHT | 0.281 INCHES NOMINAL | HEAD STYLE | FLAT CHAMFER | INTERNAL DRIVE STYLE | HEXAGON | MATERIAL | STEEL OVERALL | NOMINAL THREAD DIAMETER | 0.312 INCHES | WIDTH ACROSS FLATS | 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM | SURFACE TREATMENT | CADMIUM OVERALL | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.500 INCHES NOMINAL | THREAD SERIES DESIGNATOR | UNC | THREAD QUANTITY PER INCH | 18 |
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