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 6240-00-005-7302
NSN 5945-01-360-4300
NSN 6220-01-399-0633
NSN 6620-01-282-6446
NSN 6110-00-064-7006
NSN 5835-01-352-7211
NSN 5855-01-609-3732
NSN 5985-00-406-6311
NSN 5915-01-128-6123
NSN 5855-01-344-8688
NSN 5910-01-407-6357
NSN 5930-01-073-3097