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 5895-01-012-2202
NSN 5905-01-454-9533
NSN 6645-01-391-6492
NSN 6240-01-643-8766
NSN 5998-01-090-0724
NSN 6685-00-069-6777
NSN 7035-00-001-4586
NSN 2925-01-646-9112
NSN 6650-01-528-7570
NSN 6135-01-527-4669
NSN 6220-01-145-4993
NSN 5985-01-628-9347