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 5930-01-125-3284
NSN 6620-00-189-0967
NSN 6645-01-544-0408
NSN 6645-00-825-5677
NSN 5975-00-336-1208
NSN 5996-01-094-7025
NSN 5915-01-614-3033
NSN 5895-01-102-2286
NSN 6650-01-363-0963
NSN 6620-01-560-7832
NSN 5965-01-647-1515
NSN 5925-01-287-4284