5305-00-303-1354, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-303-1354

Federal Supply Class:
5305

National Item Identification Number:
003031354

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:

137716	0AHP5	CURTISS-WRIGHT CONTROLS, INC.
137716	15555	CURTISS-WRIGHT CORP

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.160 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	1.570 INCHES MINIMUM AND 1.630 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	1.700 INCHES MINIMUM AND 1.780 INCHES MAXIMUM
FASTENER LENGTH	2.250 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.330 INCHES MINIMUM AND 0.336 INCHES MAXIMUM
HEAD DIAMETER	0.490 INCHES MINIMUM AND 0.518 INCHES MAXIMUM
HEAD HEIGHT	0.172 INCHES NOMINAL
HEAD STYLE	FLAT CHAMFER
SECOND DIAMETER FROM HEAD	0.229 INCHES MINIMUM AND 0.233 INCHES MAXIMUM
SHANK UNTHREADED HOLE DIAMETER	0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM FIRST HOLE
THREAD CLASS	3A
THIRD DIAMETER FROM HEAD	0.330 INCHES MINIMUM AND 0.336 INCHES MAXIMUM
THREAD LENGTH	0.470 INCHES MINIMUM AND 0.550 INCHES MAXIMUM

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