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National Stock Number:
5305-01-389-7979
Federal Supply Class:
5305
National Item Identification Number:
013897979
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:
| 91253A003 | 84021 | THE ESAB GROUP INC. | | 91254A242 | 39428 | MCMASTER-CARR SUPPLY CO | | FC5-10-32X0.50SZ | 96362 | DAYTON T. BROWN, INC. |
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Techincal Specification:
| COLOR | BLACK OVERALL | | COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL | | FASTENER LENGTH | 0.500 INCHES NOMINAL | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.411 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SURFACE TREATMENT | OXIDE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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