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National Stock Number:
5305-01-280-4594
Federal Supply Class:
5305
National Item Identification Number:
012804594
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:
| F468 HEX CAP SCREW 0.190-24 INX- | 81346 | AMERICAN SOCIETY FOR TESTING AND MATERIALS | | SCREW 10-24UNCX1/4 IN QQ-N-281 | 10941 | CARVER PUMP COMPANY |
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Techincal Specification:
| EXTRA LONG REFERENCE NUMBER | F468 HEX CAP SCREW 0.190-24 INX0.250 IN LG ALLOY 400 OR 405 | | FASTENER LENGTH | 0.250 INCHES NOMINAL | | HARDNESS RATING | 60.0 ROCKWELL B MINIMUM AND 20.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CLASS B,N04405 FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-281,CLASS A,N04400 FED SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY R-405 OR NICKEL ALLOY 400 OVERALL | | MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH | | MINIMUM TENSILE STRENGTH | 70000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | NONDEFINITIVE SPEC/STD DATA | 0.190-24IN. SIZE AND N04400 ALLOY OR N04405 ALLOY AND 1/4IN. LENGTH | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY EXTRA LONG REFERENCE NUMBER | | SPECIFICATION/STANDARD DATA | 81346-ASTM F468 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.250 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 24 |
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