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National Stock Number:
5305-01-613-3859
Federal Supply Class:
5305
National Item Identification Number:
016133859
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:
| 1545599-30 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | NONSTANDARD THREAD PITCH DIAMETER | 0.22 TO 0.25 INCHES | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325, TYPE 2, CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.375 INCHES NOMINAL | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL | | SPECIAL FEATURES | SCREW TO BE SELF LOCKING;THIS LOCKING ELEMENT MUST BE A NON METALLIC PATCH IN ACCORDANCE WITH MIL-F-18240 EXCEPT THAT PREVAILING AND BREAKAWAY TORQUEVALUES LISTGED IN INDUSTRIAL FASTENER INSTITUTE SPECIFICATION (F)-124 APPLY | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW CAP, SOCKET HEAD, SELF LOCKING |
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