5305-01-280-4594, SCREW,CAP,HEXAGON HEAD

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.

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

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 TENSILE STRENGTH	70000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	30000 POUNDS PER SQUARE INCH
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	AS DIFFERENTIATED BY EXTRA LONG REFERENCE NUMBER
NOMINAL THREAD DIAMETER	0.190 INCHES
NONDEFINITIVE SPEC/STD DATA	0.190-24IN. SIZE AND N04400 ALLOY OR N04405 ALLOY AND 1/4IN. LENGTH
SPECIFICATION/STANDARD DATA	81346-ASTM F468 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
THREAD LENGTH	0.250 INCHES NOMINAL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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