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 5990-01-529-8433
NSN 5905-00-473-3310
NSN 6105-01-497-3423
NSN 6220-01-627-0393
NSN 5915-01-365-6546
NSN 5925-00-279-3479
NSN 6110-01-027-0091
NSN 5915-01-396-7607
NSN 5895-01-462-6022
NSN 5855-01-230-4665
NSN 6650-01-131-2570
NSN 6110-01-362-3141