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 5990-01-259-7138
NSN 5915-01-487-1103
NSN 5935-01-211-6986
NSN 5965-01-169-1194
NSN 6135-01-210-8715
NSN 6685-00-038-7886
NSN 5960-01-504-1892
NSN 5998-01-137-2780
NSN 7035-01-651-2857
NSN 6650-01-300-1668
NSN 6610-01-502-8510
NSN 7035-01-022-1008