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 6220-01-417-2675
NSN 5990-01-626-2818
NSN 5990-01-582-5238
NSN 7035-00-312-3055
NSN 5935-01-421-4827
NSN 5998-00-516-9344
NSN 6150-00-057-9089
NSN 6610-01-348-0545
NSN 5975-01-586-2616
NSN 5985-00-204-0028
NSN 5910-00-294-9439
NSN 6135-01-022-5427