5305-01-148-4371, SCREW,EXTERNALLY RELIEVED BODY

5305-01-148-4372 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-148-4371

Federal Supply Class:
5305

National Item Identification Number:
011484371

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:

153C7044P5	07639	GE AVIATION SYSTEMS LLC
153C7044PS	89954	BAE SYSTEMS CONTROLS INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.893 INCHES MINIMUM AND 0.935 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	1.063 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.097 INCHES MINIMUM AND 0.102 INCHES MAXIMUM
HEAD DIAMETER	0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT	0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM
HEAD STYLE	PAN
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MINIMUM TENSILE STRENGTH	60000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.138 INCHES
THREAD LENGTH	0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	32

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