5305-01-593-7591, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-593-7591

Federal Supply Class:
5305

National Item Identification Number:
015937591

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:

A3167793	80063	US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR
A3167793-5	80063	US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR

Techincal Specification:

EXTERNAL THREAD TOLERANCE CLASS	6G
FASTENER LENGTH	18.8 MILLIMETERS MINIMUM AND 19.3 MILLIMETERS MAXIMUM
HEAD DIAMETER	6.8 MILLIMETERS MINIMUM AND 7.3 MILLIMETERS MAXIMUM
HEAD HEIGHT	3.3 MILLIMETERS MINIMUM AND 3.8 MILLIMETERS MAXIMUM
HEAD STYLE	PAN NO. 2
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE AND FED STD-66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL CORROSION RESISTING OVERALL
MINIMUM TENSILE STRENGTH	80000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	4.0 MILLIMETERS
PART NAME ASSIGNED BY CONTROLLING AGENCY	SCREW, EXTERNALLY RELIEVED BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35, TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	4.8 MILLIMETERS MINIMUM AND 5.3 MILLIMETERS MAXIMUM
THREAD PITCH IN MILLIMETERS	0.7
THREAD SERIES DESIGNATOR	M

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