5305-00-794-6444, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-794-6444

Federal Supply Class:
5305

National Item Identification Number:
007946444

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:

511586	64547	HONEYWELL INTERNATIONAL, INC
511586	70210	HONEYWELL INTERNATIONAL INC.
511586	72599	ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	2.600 INCHES MINIMUM AND 2.740 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	2.650 INCHES MINIMUM AND 2.770 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	3.050 INCHES MINIMUM AND 3.090 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
HEAD DIAMETER	0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
HEAD HEIGHT	0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
SECOND DIAMETER FROM HEAD	0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.250 INCHES MINIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNF

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