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National Stock Number:
5305-01-621-9916
Federal Supply Class:
5305
National Item Identification Number:
016219916
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:
| AEB02C375C50WA6DG1 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS |
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Techincal Specification:
| FASTENER LENGTH | 3.5 INCHES NOMINAL | | HEAD HEIGHT | 0.226 INCHES MINIMUM AND 0.268 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J 429,GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | HEX HEAD CAPSCREW | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM F 1941,ZINC COATING FE,ZN,TYPE 5C NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A | | THREAD LENGTH | 1.0 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 16.0 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | WIDTH BETWEEN FLATS | 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
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