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National Stock Number:
5305-01-521-8564
Federal Supply Class:
5305
National Item Identification Number:
015218564
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:
| 087-001-00 | 15460 | DEXTER AXLE COMPANY |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM | | FASTENER LENGTH | 0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | | HEAD HEIGHT | 0.545 INCHES NOMINAL | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL | ZINC ALLOY OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SEMS 5/16 - 18 UNC 5/8 SLOTTED HEX HEAD TOOTH LOCKWASHER HARDENED | | PROPRIETARY CHARACTERISTICS | PACS | | WIDTH BETWEEN FLATS | 0.072 INCHES MINIMUM AND 0.084 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.313 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC |
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