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.
NSN 6650-01-633-9147
NSN 5895-01-335-7860
NSN 6105-01-645-4935
NSN 6620-00-422-5866
NSN 6645-01-417-3524
NSN 5996-00-925-1953
NSN 6650-01-203-4746
NSN 6135-01-540-2403
NSN 4140-00-541-8861
NSN 5965-00-665-2156
NSN 6650-00-554-1457
NSN 5998-00-922-6956