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National Stock Number:
5305-01-406-6327
Federal Supply Class:
5305
National Item Identification Number:
014066327
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:
| 31WLBS516(.50) | 0AMX8 | MACLEAN-FOGG CO | | 59896308 | 070K6 | CHAMPION ROAD MACHINERY INC PRO-PAV DIV | | 59896308 | 1S654 | INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND DIV ROAD DEVELOPMENT |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.820 INCHES NOMINAL | | FASTENER LENGTH | 0.500 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | HEAD HEIGHT | 0.345 INCHES NOMINAL | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 18 |
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