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 6150-01-296-4906
NSN 5990-01-320-1412
NSN 5930-00-383-5656
NSN 5855-00-127-5559
NSN 6620-00-186-8220
NSN 6620-01-633-8443
NSN 6320-00-779-5923
NSN 6135-01-132-6310
NSN 6620-00-889-7945
NSN 5855-00-494-9581
NSN 5996-00-081-3175
NSN 5975-01-419-8447