5305-01-331-7188, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-331-7188

Federal Supply Class:
5305

National Item Identification Number:
013317188

Description:
SCREW,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Manufacturer Information:

10462700-04	27963	GENERAL DYNAMICS INFORMATION SYSTEMS INC. DBA GENERAL DYNAMICS ADVANCED INFORMATION SYSTEMS
10462700-04	3CYA2	GENERAL DYNAMICS MISSION SYSTEMS, INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.340 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.106 INCHES NOMINAL
HEAD HEIGHT	0.077 INCHES NOMINAL
HEAD DIAMETER	0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD STYLE	PAN NO. 2
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 322 OR STEEL COMP 324 OR STEEL COMP 303 OR STEEL COMP 403 OR STEEL COMP 416 OR STEEL COMP 430 OVERALL
MINIMUM TENSILE STRENGTH	70000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.138 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.160 INCHES NOMINAL
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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