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 5950-01-348-0913
NSN 6145-01-389-1843
NSN 6150-00-914-1018
NSN 5930-01-438-1580
NSN 6650-01-014-7671
NSN 4140-01-512-7286
NSN 5965-01-284-3162
NSN 5945-01-238-7074
NSN 5935-01-444-4768
NSN 5935-01-129-9443
NSN 5855-01-366-2429
NSN 6220-01-134-1005