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National Stock Number:
5305-01-535-6265
Federal Supply Class:
5305
National Item Identification Number:
015356265
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:
| 91247A022 | 0E328 | MCMASTER CARR SUPPLY CO | | 91247A022 | 3A054 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | THREAD LENGTH | 0.750 INCHES MINIMUM AND | | 1.000 INCHES MAXIMUM | | FASTENER LENGTH | 2.750 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 2A | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429 NATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | CHROMATE ZINC OVERALL | | COLOR | YELLOW OVERALL | | MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.156 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.438 INCHES NOMINAL | | SPECIAL FEATURES | ROCKWELL HARDNESS C25-C34/GRADE 5 |
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