5305-00-739-2823, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-739-2823

Federal Supply Class:
5305

National Item Identification Number:
007392823

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Manufacturer Information:

906J830-7	79500	WESTINGHOUSE ELECTRIC CORP
906J830-7	90099	NORTHROP GRUMMAN SYSTEMS CORPORATION
906J830H07	79500	WESTINGHOUSE ELECTRIC CORP

Techincal Specification:

FASTENER LENGTH	1.500 INCHES NOMINAL
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.553 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HEAD HEIGHT	0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4340 OVERALL
MINIMUM YIELD STRENGTH	130000 POUNDS PER SQUARE INCH
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.375 INCHES
SPECIAL FEATURES	THREE 0.094 IN. DIA LOCKING SLOTS EQUALLY SPACED,DRILLED AT RIGHT ANGLES TO THE BEARING SURFACE
WIDTH ACROSS FLATS	0.312 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.250 INCHES MINIMUM
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	16

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