Heat treat per mil-h-6875 to r/c 56/58
A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.
Classification: Parts of taps, cocks, valves and similar appliances, nesoi
NSN 5985-00-582-5770
NSN 6150-00-051-0404
NSN 5965-01-256-9460
NSN 6645-01-150-9847
NSN 6240-01-382-3756
NSN 5998-01-522-6568
NSN 5960-01-575-7818
NSN 5935-01-420-0147
NSN 6145-01-459-8150
NSN 5960-01-152-7740
NSN 5960-01-279-2589
NSN 5930-00-972-3350