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 6105-01-653-6829
NSN 5835-00-816-0394
NSN 2925-01-157-9204
NSN 6240-01-032-4558
NSN 5965-01-129-8551
NSN 5835-01-381-2683
NSN 6135-01-618-2199
NSN 5855-01-147-6024
NSN 6645-00-359-5463
NSN 6105-01-605-1447
NSN 5905-01-158-7174
NSN 5895-00-651-7463