2990-99-173-8237 HANGER,ENGINE EXHAU 2590-99-173-8239 STRIP

National Stock Number:
5305-99-173-8238

Federal Supply Class:
5305

National Item Identification Number:
991738238

Description:
SCREW,CAP,HEXAGON H

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
BS3692K7766BRITISH STANDARDS INSTITUTION
BS3692-M4X45-A2-70K7766BRITISH STANDARDS INSTITUTION
SSFH04045A27U7887NP AEROSPACE LIMITED


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