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 5950-01-422-2924
NSN 5950-01-211-4692
NSN 5950-01-369-8137
NSN 5950-01-291-5479
NSN 5925-01-442-3792
NSN 7035-01-525-8263
NSN 5915-01-495-1063
NSN 5998-01-550-0170
NSN 5960-01-539-1956
NSN 5855-01-145-8973
NSN 5920-01-350-4426
NSN 6240-00-811-7162