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 5998-00-035-5308
NSN 5895-01-284-2623
NSN 6130-01-301-0637
NSN 2925-00-234-7918
NSN 6650-01-415-3332
NSN 5999-01-449-1248
NSN 6150-01-082-3499
NSN 5999-00-225-9902
NSN 5996-00-889-8825
NSN 5950-01-586-0292
NSN 6620-01-633-8443
NSN 5990-01-142-0538