5305-01-147-6643, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-147-6643

Federal Supply Class:
5305

National Item Identification Number:
011476643

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:

885B052165	03956	NORTHROP GRUMMAN SYSTEMS CORPORATION
885B052165	34228	L3 TECHNOLOGIES, INC.
885B052165	D9182	ZF INDUSTRIEANTRIEBE WITTEN GMBH

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.657 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.123 INCHES MINIMUM AND 0.124 INCHES MAXIMUM
HEAD DIAMETER	0.175 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
HEAD HEIGHT	0.125 INCHES NOMINAL
HEAD STYLE	ROUND W/WRENCH FLATS CHAMFERED
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.112 INCHES
WIDTH ACROSS FLATS	0.078 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.078 INCHES MINIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD LENGTH	0.220 INCHES NOMINAL
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	40
THREAD SERIES DESIGNATOR	UNC

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