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 5985-01-538-3156
NSN 6150-00-369-0376
NSN 5835-01-263-1293
NSN 6240-00-275-1950
NSN 5950-00-022-7474
NSN 6220-01-575-3719
NSN 6620-01-505-7921
NSN 6110-00-674-7019
NSN 6105-00-018-8558
NSN 6320-01-123-6814
NSN 6135-01-641-8640
NSN 5990-01-285-4633