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 6220-00-967-0062
NSN 6620-01-044-3371
NSN 5975-01-381-6757
NSN 5990-01-386-5561
NSN 6145-00-433-4079
NSN 6610-00-131-2076
NSN 6220-01-607-4046
NSN 6130-01-523-5617
NSN 5935-00-672-1398
NSN 6645-01-252-8870
NSN 5990-00-524-2293
NSN 6110-01-659-9104