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 5895-01-634-0630
NSN 4140-01-077-3981
NSN 2925-00-005-1618
NSN 5855-01-634-0259
NSN 5935-01-485-2457
NSN 5920-01-337-2343
NSN 5996-01-572-8860
NSN 5905-00-149-0677
NSN 6110-00-089-4971
NSN 6240-01-013-8895
NSN 6645-01-442-4032
NSN 6105-00-945-8214