5305-01-243-9345, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-243-9345

Federal Supply Class:
5305

National Item Identification Number:
012439345

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 33	56878	SPS TECHNOLOGIES, LLC
SM-C-800983-33	06725	SPS TECHNOLOGIES, LLC
SM-C-800983-33	80063	US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR

Techincal Specification:

FASTENER LENGTH	0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.419 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
HEAD HEIGHT	0.122 INCHES MINIMUM AND 0.132 INCHES MAXIMUM
HEAD STYLE	ROUND
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	0.250 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.538 INCHES MINIMUM AND 0.641 INCHES MAXIMUM
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNF
WIDTH ACROSS FLATS	0.1562 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM

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