5305-00-776-1377, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-776-1377

Federal Supply Class:
5305

National Item Identification Number:
007761377

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:

327B492P6	24446	GENERAL ELECTRIC COMPANY
327B492P6	99207	GENERAL ELECTRIC COMPANY

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.058 INCHES MINIMUM AND 0.088 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.328 INCHES MINIMUM AND 0.338 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
EXTENDED WASHER THICKNESS	0.033 INCHES MINIMUM AND 0.043 INCHES MAXIMUM
FASTENER LENGTH	0.451 INCHES MINIMUM AND 0.471 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
HEAD HEIGHT	0.223 INCHES MINIMUM AND 0.243 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON W/HOLE
INTERNAL DRIVE STYLE	W/O INTERNAL DRIVE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	IRON ALLOY 660 OVERALL
NOMINAL THREAD DIAMETER	0.164 INCHES
WIDTH BETWEEN FLATS	0.211 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.363 INCHES MINIMUM AND 0.413 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	36

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