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 5990-01-516-9665
NSN 5996-01-566-8996
NSN 6110-00-271-9928
NSN 5935-00-930-0066
NSN 6130-00-420-1248
NSN 5925-01-444-0929
NSN 6685-01-147-4532
NSN 5999-01-373-1526
NSN 5960-01-163-3847
NSN 5945-01-083-1007
NSN 6110-01-338-9169
NSN 6105-01-488-7443