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 6645-00-276-7544
NSN 5915-01-373-7065
NSN 5915-01-406-8554
NSN 5905-00-923-9129
NSN 5996-01-414-8364
NSN 5915-00-622-6762
NSN 6220-00-539-0095
NSN 5910-00-938-7429
NSN 6135-01-620-3874
NSN 5945-01-543-4898
NSN 5990-01-246-2488
NSN 5960-00-040-9989