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 5935-00-111-2417
NSN 6685-00-641-0189
NSN 5965-01-489-5508
NSN 5920-01-591-0832
NSN 5996-01-576-5011
NSN 6320-01-209-0952
NSN 6105-00-146-5086
NSN 5998-00-823-9474
NSN 6645-00-764-3355
NSN 6130-01-339-8011
NSN 5975-00-167-4898
NSN 5975-01-432-4519