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 5985-00-529-0093
NSN 5999-00-181-6101
NSN 6645-01-633-1852
NSN 6105-01-240-0478
NSN 6620-01-385-6172
NSN 7035-01-291-1770
NSN 5910-00-203-2119
NSN 5920-01-283-1093
NSN 5960-00-331-0173
NSN 5910-00-152-8255
NSN 6620-01-446-7290
NSN 6645-01-111-1144