5325-99-173-0832 RING,RETAINING Index 5330-99-173-2766 SEAL,PLAIN ENCASED

National Stock Number:
5305-99-173-0893

Federal Supply Class:
5305

National Item Identification Number:
991730893

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:
WAB493K0967MBDA UK LTD
WAB493K1020MBDA UK LTD
WAB493U7851BAE SYSTEMS LAND & SEA SYSTEMS LTD


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER5.50 MILLIMETERS MINIMUM AND 6.50 MILLIMETERS MAXIMUM
FASTENER LENGTH12.00 MILLIMETERS NOMINAL AND 11.50 MILLIMETERS MINIMUM AND 12.50 MILLIMETERS MAXIMUM
FIRST DIAMETER FROM HEAD2.70 MILLIMETERS MINIMUM AND 2.90 MILLIMETERS MAXIMUM
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLESLOT
THREAD LENGTH6.00 MILLIMETERS NOMINAL


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