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 5920-00-825-1673
NSN 6145-01-385-3454
NSN 6240-00-557-7471
NSN 7035-00-490-0485
NSN 5965-00-893-6602
NSN 4140-00-246-4969
NSN 5975-01-321-1085
NSN 5915-00-213-3603
NSN 5965-01-596-2944
NSN 6150-01-353-4932
NSN 5895-01-334-6260
NSN 2925-00-152-1825