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 6650-00-190-5158
NSN 6645-01-501-0576
NSN 4140-00-715-9946
NSN 5915-00-185-5355
NSN 6620-01-457-9476
NSN 4140-00-167-4712
NSN 5990-01-046-3450
NSN 6105-01-296-5012
NSN 5905-01-379-1940
NSN 6320-01-082-2970
NSN 6685-00-179-5227
NSN 5910-00-702-2546