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 5920-01-389-3686
NSN 5985-01-426-8726
NSN 5895-00-544-4832
NSN 6130-00-130-1156
NSN 6110-01-471-0388
NSN 7035-00-523-7492
NSN 5996-01-462-0833
NSN 6105-00-020-3591
NSN 5910-01-005-0474
NSN 5920-01-324-0517
NSN 5920-01-608-2427
NSN 5915-00-636-9785