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National Stock Number:
5305-01-597-1450
Federal Supply Class:
5305
National Item Identification Number:
015971450
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:
| 90113A169 | 39428 | MCMASTER-CARR SUPPLY CO | | 90113A169 | 97557 | MORTON MACHINE WORKS |
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Techincal Specification:
| FASTENER LENGTH | 1.250 INCHES NOMINAL | | HARDNESS RATING | 75.0 ROCKWELL B MINIMUM OVERALL | | HEAD HEIGHT | 0.4375 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL CORROSION RESISTING AND STEEL PROPERTY CLASS 18.8 OVERALL | | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,THUMB | | SPECIAL FEATURES | FINISH: PLAIN;TIP TYPE: FLAT POINT | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.250 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | WIDTH BETWEEN FLATS | 0.625 INCHES NOMINAL |
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