An item of various shapes and cross-sections, that may be flanged and that is designed to fit over a valve seat, allowing proper positioning of the seat with a flow control device.
Classification: Parts of taps, cocks, valves and similar appliances, nesoi
NSN 5910-01-241-3548
NSN 4140-01-597-2929
NSN 5985-01-068-8840
NSN 5910-01-261-6357
NSN 6650-01-147-7135
NSN 6320-01-353-9753
NSN 5950-01-396-1179
NSN 5996-00-946-9975
NSN 5910-01-495-9927
NSN 5965-01-288-4736
NSN 6110-01-316-5255
NSN 5835-00-377-7020