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 6645-00-955-7997
NSN 6130-00-998-7950
NSN 5945-01-471-3214
NSN 5855-01-093-3080
NSN 5965-01-607-5753
NSN 4140-00-756-7135
NSN 6320-01-349-2131
NSN 5835-00-289-9080
NSN 6320-01-406-6098
NSN 6685-01-481-3382
NSN 5895-00-052-1979
NSN 6135-01-050-3194