5305-99-570-0521 SETSCREW 5310-99-570-0523 WASHER,LOCK

National Stock Number:
5305-99-570-0522

Federal Supply Class:
5305

National Item Identification Number:
995700522

Description:
SCREW,EXTERNALLY RE

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:
020150 R1 DL02590KCTX8MINISTRY OF DEFENCE, DES SHIPS,MARINE PROPULSION SYSTEMS, MARITIME
0970-004SGH90WARTSILA SWEDEN AB


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