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 6145-01-127-0914
NSN 4140-01-559-3291
NSN 5835-01-229-6964
NSN 5945-00-482-2141
NSN 5895-01-141-8366
NSN 5985-01-313-9958
NSN 6150-01-203-2283
NSN 5895-01-465-9194
NSN 5915-01-633-0799
NSN 2925-01-484-8556
NSN 5910-01-367-9276
NSN 6610-01-555-8791