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 5915-01-273-3489
NSN 6610-00-164-1510
NSN 6610-01-617-6495
NSN 5925-01-510-2600
NSN 7035-00-417-2967
NSN 6220-01-445-7673
NSN 5855-01-610-6125
NSN 6130-01-622-2510
NSN 5975-00-951-2495
NSN 6105-01-550-0577
NSN 5975-01-555-0249
NSN 6620-01-223-9157