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National Stock Number:
5305-01-053-9494
Federal Supply Class:
5305
National Item Identification Number:
010539494
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:
| 322709 | 07256 | SILICON TRANSISTOR CORP SUB OF BBF INC | | 322709 | 14892 | BENDIX CORP THE BRAKE AND STEERING DIV | | 322710 | 14892 | BENDIX CORP THE BRAKE AND STEERING DIV |
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Techincal Specification:
| FASTENER LENGTH | 1.710 INCHES MINIMUM AND 1.810 INCHES MAXIMUM | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.250 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL COMP 1137 OR STEEL COMP 1141 OR STEEL COMP 1144 OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SPECIAL FEATURES | SPRING ANCHOR ON TOP OF HEAD | | WIDTH BETWEEN FLATS | 0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 1.000 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 13 |
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