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 5950-01-502-9565
NSN 6145-01-226-3691
NSN 5985-01-605-9404
NSN 5999-01-159-6373
NSN 5975-00-734-4606
NSN 7035-01-553-8618
NSN 5950-00-796-8722
NSN 4140-00-136-9214
NSN 5910-01-249-4739
NSN 5920-00-943-4022
NSN 5945-00-045-6255
NSN 5855-00-548-4742