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National Stock Number:
5305-01-415-1277
Federal Supply Class:
5305
National Item Identification Number:
014151277
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:
| 302868-3 | 18444 | OIL STATES INDUSTRIES, INC. | | 302868-3 | 27826 | EDWARDS AEROSPACE INC | | 302893-102 | 18444 | OIL STATES INDUSTRIES, INC. |
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Techincal Specification:
| FASTENER LENGTH | 1.116 INCHES MINIMUM AND 1.124 INCHES MAXIMUM | | HARDNESS RATING | 80.0 ROCKWELL B MINIMUM OVERALL | | HEAD HEIGHT | 0.208 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | LOCKING FEATURE | PATCH THREADS | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-F-18240 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286, CLASS A, FORM 2 FED SPEC SINGLE MATERIAL RESPONSE FASTENER | | MATERIAL | NICKEL ALLOY K-500 FASTENER | | MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE | | PROPRIETARY CHARACTERISTICS | PACS | | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 40000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.875 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNC |
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