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 6130-01-219-7007
NSN 6645-00-733-9341
NSN 5910-01-593-9114
NSN 6150-00-260-7817
NSN 5905-00-603-5557
NSN 6620-01-537-1813
NSN 6220-01-643-5601
NSN 6105-01-525-7295
NSN 5905-01-415-7818
NSN 5975-01-411-5382
NSN 6320-01-631-7828
NSN 5985-00-542-0597