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National Stock Number:
5305-01-365-1771
Federal Supply Class:
5305
National Item Identification Number:
013651771
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:
| 20Z1775D12 | 27315 | MORRIS MATERIAL HANDLING, INC. | | 32WLFS1420X.75 | 82465 | MAC LEAN FOGG LOCK NUT CO |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.513 INCHES MINIMUM AND 0.531 INCHES MAXIMUM | | FASTENER LENGTH | 0.750 INCHES NOMINAL | | HEAD HEIGHT | 0.216 INCHES MINIMUM AND 0.240 INCHES MAXIMUM | | HEAD STYLE | HEXAGON EXTENDED WASHER | | LOCKING FEATURE | LOCKWASHER HEAD | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR.5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.650 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 20 |
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