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 7035-01-378-5074
NSN 5925-01-619-2942
NSN 5905-00-318-3137
NSN 5895-00-810-9050
NSN 5855-01-423-1497
NSN 4140-01-610-8512
NSN 6320-00-371-8335
NSN 5910-01-055-3831
NSN 5998-01-042-8091
NSN 5996-01-451-8141
NSN 5905-00-678-8760
NSN 5945-00-420-1273