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 6685-00-845-5606
NSN 6220-01-049-2847
NSN 5985-01-626-3996
NSN 6620-01-388-8955
NSN 6220-00-581-3858
NSN 5996-00-570-6937
NSN 6150-01-091-1490
NSN 5965-00-888-2643
NSN 6135-00-840-6451
NSN 5945-01-248-2208
NSN 6610-01-444-4001
NSN 5960-01-567-1096