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 5965-01-658-7025
NSN 6685-01-484-9276
NSN 6105-01-084-3053
NSN 5925-01-080-2226
NSN 6610-01-633-8931
NSN 6220-00-754-8375
NSN 5855-01-103-8650
NSN 5895-00-585-2038
NSN 5920-01-287-8409
NSN 6240-01-389-3858
NSN 6135-01-210-8715
NSN 2925-01-289-6448