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 5905-00-061-2089
NSN 6620-01-420-3386
NSN 6130-00-109-9091
NSN 5950-01-015-5840
NSN 5905-01-257-5905
NSN 5910-01-266-5748
NSN 5920-00-064-3523
NSN 5915-01-398-5533
NSN 6135-01-648-4875
NSN 2925-01-577-0004
NSN 5998-01-591-1629
NSN 6320-00-036-3688