Level i requirements do not apply
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 6220-01-083-6562
NSN 5835-01-482-1591
NSN 6650-00-854-0265
NSN 5985-00-980-9350
NSN 4140-01-565-4993
NSN 5855-01-600-6437
NSN 6610-01-395-4256
NSN 5996-01-529-2270
NSN 5999-01-571-3805
NSN 5895-01-370-5569
NSN 5895-01-485-7905
NSN 5945-01-431-5195