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 6685-01-050-7685
NSN 5905-00-007-4367
NSN 5930-01-333-2354
NSN 5930-01-559-9057
NSN 5835-00-034-4976
NSN 6320-01-521-1764
NSN 6150-00-890-4365
NSN 5920-01-461-3718
NSN 7035-00-275-5604
NSN 5965-00-445-1843
NSN 4140-01-208-8964
NSN 6320-00-456-2092