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National Stock Number:
5305-01-200-4437
Federal Supply Class:
5305
National Item Identification Number:
012004437
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:
| 10636 PC. 6 | 52022 | PEERLESS NUCLEAR CORP | | 10962-2 | 52022 | PEERLESS NUCLEAR CORP | | 11268 PC 7 | 52022 | PEERLESS NUCLEAR CORP |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | HEAD STYLE | HEXAGON | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CHROMIUM OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 18 |
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