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 5998-01-140-0552
NSN 6220-01-614-7215
NSN 5945-01-447-9142
NSN 6610-01-352-5500
NSN 6645-01-337-8292
NSN 4140-00-211-5970
NSN 7035-01-540-7316
NSN 5960-01-070-3258
NSN 5985-01-433-0106
NSN 6135-00-209-6918
NSN 5910-01-266-5748
NSN 5935-00-851-4527