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 5935-00-735-9634
NSN 5935-01-540-2721
NSN 6620-01-158-5111
NSN 6130-00-932-9617
NSN 6150-00-100-4373
NSN 6240-00-190-2903
NSN 6650-00-490-2637
NSN 5930-01-473-2395
NSN 5960-01-125-2356
NSN 6150-01-476-7430
NSN 6105-01-550-0577
NSN 5905-01-488-7614