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 7035-01-364-8454
NSN 6130-01-647-8412
NSN 6650-00-563-3880
NSN 5895-00-328-4580
NSN 6220-00-052-0700
NSN 5905-01-551-3430
NSN 2925-01-370-6898
NSN 6220-01-546-0196
NSN 5965-01-560-8572
NSN 5930-00-474-7389
NSN 5925-00-660-7589
NSN 5935-01-372-0921