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 5920-00-168-9138
NSN 6645-01-408-4576
NSN 5975-01-030-3601
NSN 6650-01-642-4304
NSN 6650-01-527-6918
NSN 6620-01-537-1326
NSN 4140-01-199-2522
NSN 5905-00-281-2329
NSN 6645-00-482-2737
NSN 6685-01-287-9974
NSN 7035-00-225-6499
NSN 6685-01-472-2932