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National Stock Number:
5305-01-522-2796
Federal Supply Class:
5305
National Item Identification Number:
015222796
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:
| 7226369-6 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| STEEL COMP 303 OR | | STEEL COMP 304 OR | | STEEL COMP 305 OR | | STEEL COMP 316 OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 2A | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | ALUMINUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488,TYPE 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE AND | | 18776 MIS-19350,TYPE 2,CL1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD HEIGHT | 0.195 INCHES MINIMUM AND | | 0.211 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.489 INCHES MINIMUM AND | | 0.500 INCHES MAXIMUM | | SPECIAL FEATURES | ALTERED FROM MS35308-332 BY ADDITION OF HIGH PURITY ALUMINUM COATING AND A FLUOROPOLYMER SURFACE TREATEMENT | | THREAD SERIES DESIGNATOR | UNF | | THREAD LENGTH | 0.719 INCHES MINIMUM AND | | 0.750 INCHES MAXIMUM | | FASTENER LENGTH | 0.719 INCHES MINIMUM AND | | 0.750 INCHES MAXIMUM | | MATERIAL | STEEL COMP 302 OR |
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