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 5855-01-149-2267
NSN 4140-01-443-7696
NSN 6685-01-424-0671
NSN 5950-01-575-1859
NSN 5965-01-215-0993
NSN 5996-01-525-3180
NSN 5915-00-403-1628
NSN 5965-01-369-8016
NSN 5945-01-235-9441
NSN 7035-01-450-2289
NSN 5950-00-247-8192
NSN 6645-00-077-1805