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National Stock Number:
5305-00-138-4617
Federal Supply Class:
5305
National Item Identification Number:
001384617
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:
| 5389-9 | 96151 | EATON CORPORATION DIV EATON FLUID POWER | | 64502 | 07538 | BATTERSBY CORP | | 64502 | 96151 | EATON CORPORATION DIV EATON FLUID POWER |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.074 INCHES MINIMUM | | FASTENER LENGTH | 1.375 INCHES NOMINAL | | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.300 INCHES MINIMUM AND 0.312 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1038 OVERALL | | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | WIDTH BETWEEN FLATS | 0.306 INCHES MINIMUM AND 0.315 INCHES MAXIMUM | | SURFACE FINISH | 60.0 MICROINCHES BEARING SURFACE OF HEAD | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.540 INCHES MINIMUM AND 0.660 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF |
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