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 5996-01-581-5787
NSN 6645-01-320-4138
NSN 6105-01-204-2920
NSN 5950-01-450-4804
NSN 5945-01-525-7355
NSN 6110-01-099-6893
NSN 6130-00-935-2712
NSN 7035-01-029-7221
NSN 5910-01-614-7064
NSN 6620-01-591-1331
NSN 6610-00-077-3172
NSN 6130-01-290-9776