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 5950-00-411-3645
NSN 6145-01-223-9887
NSN 5965-01-461-2850
NSN 5950-00-418-3145
NSN 6610-01-167-8747
NSN 6135-01-286-9563
NSN 5998-01-403-2586
NSN 5930-01-245-2357
NSN 6610-01-392-2981
NSN 5920-01-310-2927
NSN 6105-01-577-0014
NSN 5835-01-566-5462