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 6135-01-627-2603
NSN 5935-01-129-9974
NSN 6685-00-642-0533
NSN 6610-01-473-1843
NSN 5965-01-460-1276
NSN 6320-01-506-9439
NSN 5905-01-270-6113
NSN 6645-01-179-0243
NSN 5855-01-472-7512
NSN 6645-00-025-4771
NSN 6645-00-179-8676
NSN 5910-00-916-2280