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National Stock Number:
5305-01-561-6481
Federal Supply Class:
5305
National Item Identification Number:
015616481
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:
| 12759-00726 | 0Y3H3 | FASTENAL COMPANY | | 15263 | 0Y3H3 | FASTENAL COMPANY | | 39135 | 05573 | BARNES GROUP INC. | | MS35303-142 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| FASTENER LENGTH | 2.500 INCHES NOMINAL | | HEAD HEIGHT | 0.348 INCHES MINIMUM AND 0.371 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 27300 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.5625 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAP,HEXAGON | | WIDTH BETWEEN FLATS | 0.798 INCHES MINIMUM AND 0.812 INCHES MAXIMUM | | SURFACE TREATMENT | ZINC AND DICHROMATE ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.375 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 12 | | THREAD SERIES DESIGNATOR | UNC |
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