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 5975-00-113-1554
NSN 6610-00-336-2404
NSN 6105-01-247-8464
NSN 6620-00-185-1671
NSN 5910-00-246-3561
NSN 6610-00-497-9925
NSN 5935-00-726-4704
NSN 5999-01-430-4997
NSN 5960-01-203-3619
NSN 5999-01-107-6440
NSN 5915-01-330-3450
NSN 5855-01-381-5324