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 5920-00-962-0230
NSN 6320-00-116-3658
NSN 6150-00-940-8660
NSN 5895-01-059-2403
NSN 6135-01-515-4260
NSN 6110-00-839-5532
NSN 5950-01-535-2855
NSN 6130-01-224-7162
NSN 5895-01-617-3931
NSN 6135-01-291-6712
NSN 5945-00-872-8149
NSN 6650-00-266-6808