Use on a 4 in. Vent check valve
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 6685-01-190-3374
NSN 6105-01-207-0845
NSN 5835-01-341-1757
NSN 6220-01-435-6297
NSN 5930-01-375-2939
NSN 6220-01-080-1109
NSN 5895-00-172-3994
NSN 6685-00-674-0537
NSN 6685-01-303-6512
NSN 5920-01-061-9714
NSN 5996-01-181-7057
NSN 5950-01-526-4487