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 6150-01-480-4655
NSN 5905-01-331-5778
NSN 6105-01-555-8995
NSN 6130-00-003-8746
NSN 5935-01-020-6609
NSN 5996-00-277-7384
NSN 5996-00-115-6458
NSN 5945-01-139-4260
NSN 5965-01-011-1228
NSN 5930-01-631-0433
NSN 5930-01-499-7772
NSN 5895-01-440-9210