5305-01-071-7131, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-071-7131

Federal Supply Class:
5305

National Item Identification Number:
010717131

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:

A320A247-0212	88818	KEARFOTT CORPORATION
A32A465-101	88818	KEARFOTT CORPORATION

Techincal Specification:

FASTENER LENGTH	0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HARDNESS RATING	35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.134 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
HEAD HEIGHT	0.083 INCHES MINIMUM AND 0.086 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 COND A FED SPEC 1ST MATERIAL RESPONSE OR ASTM A582 COND A ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 410 OR STEEL COMP 416 OVERALL
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.086 INCHES
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.334 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
THREAD QUANTITY PER INCH	56
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS	0.078 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A

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