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 6145-00-753-2264
NSN 5905-01-427-3804
NSN 6130-01-163-4220
NSN 5998-00-740-6231
NSN 5996-01-323-0166
NSN 6320-01-371-3047
NSN 6240-00-606-0323
NSN 5950-01-480-3108
NSN 5985-01-574-4501
NSN 5996-01-528-3473
NSN 6685-00-972-5886
NSN 2925-01-131-8761