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National Stock Number:
5305-00-806-2579
Federal Supply Class:
5305
National Item Identification Number:
008062579
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:
| 12Z1043-48 | 94135 | NAVAL ORDNANCE STANDARDS |
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Techincal Specification:
| FASTENER LENGTH | 0.875 INCHES NOMINAL | | HEAD DIAMETER | 0.429 INCHES MINIMUM AND 0.437 INCHES MAXIMUM | | HEAD HEIGHT | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY R-405 OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.875 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 18 | | WIDTH ACROSS FLATS | 0.218 INCHES MINIMUM AND 0.220 INCHES MAXIMUM |
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