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 5950-01-423-8208
NSN 6320-00-468-8421
NSN 5985-01-023-1708
NSN 5990-01-426-7350
NSN 5920-01-468-4791
NSN 5965-01-162-4118
NSN 6320-00-343-1798
NSN 5950-01-075-9554
NSN 5895-01-164-6853
NSN 4140-00-103-2449
NSN 5895-01-323-4754
NSN 5925-01-099-4702