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 5920-01-441-9363
NSN 6105-00-070-1826
NSN 5999-01-339-7598
NSN 5985-01-526-9210
NSN 5855-01-540-4797
NSN 5935-00-604-9717
NSN 6110-01-144-1934
NSN 5920-01-185-2222
NSN 6320-01-445-5893
NSN 7035-01-296-4737
NSN 6645-01-526-0379
NSN 6685-01-604-8958