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 5960-00-404-2126
NSN 6650-01-472-3955
NSN 5920-01-279-0419
NSN 5960-01-239-4314
NSN 6645-01-537-6994
NSN 6145-00-387-5459
NSN 6240-01-297-2506
NSN 5950-00-644-2657
NSN 5835-01-238-3381
NSN 6110-01-611-9379
NSN 5920-01-143-0087
NSN 5999-01-550-5146