5305-01-243-9351, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-243-9351

Federal Supply Class:
5305

National Item Identification Number:
012439351

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:

SM-C-800983-46	06725	SPS TECHNOLOGIES, LLC
SM-C-800983-46	56878	SPS TECHNOLOGIES, LLC
SM-C-800983-46	80063	US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR

Techincal Specification:

FASTENER LENGTH	0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.250 INCHES MINIMUM AND 0.262 INCHES MAXIMUM
HEAD HEIGHT	0.063 INCHES MINIMUM AND 0.073 INCHES MAXIMUM
HEAD STYLE	BUTTON
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 1320 OR STEEL COMP 1330 OR STEEL COMP 3115 OR STEEL COMP 4012 OR STEEL COMP 4023 OR STEEL COMP 4130 OR STEEL COMP 4340 OR STEEL COMP 4427 OR STEEL COMP 8615 OR STEEL COMP 8740 OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.138 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.172 INCHES MINIMUM AND 0.266 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS	0.0781 INCHES MINIMUM AND 0.0791 INCHES MAXIMUM

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