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National Stock Number:
5305-01-519-5254
Federal Supply Class:
5305
National Item Identification Number:
015195254
Description:
SCREW,CAP,HEXAGON HEAD
Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| 5793266 FIND 038 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6390820-201L | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 0.641 INCHES NOMINAL | | HEAD HEIGHT | 0.156 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | LOCKING FEATURE | STRIP THREADS | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-1222,GRADE T-7,6AL-4V(ELI) MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIAL FEATURES | DISTRIBUTION STATEMENT D-DATA EXPORT RESTRICTED | | WIDTH BETWEEN FLATS | 0.437 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2488B,TYPE 2 ASSN STD 1ST TREATMENT RESPONSE OVERALL AND MIL-L-46010,TYPE 2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL AND LUBRICANT OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.516 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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