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 6650-01-261-5239
NSN 6135-00-826-4798
NSN 5990-01-272-4091
NSN 5975-00-351-8434
NSN 6320-00-284-1524
NSN 6610-00-458-5444
NSN 6610-01-220-1011
NSN 5975-01-442-7264
NSN 6105-01-564-9442
NSN 5975-01-612-7736
NSN 6130-00-819-3943
NSN 5920-00-959-5664