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 5950-01-543-2501
NSN 5998-01-494-6651
NSN 5998-00-777-4417
NSN 5965-00-481-5884
NSN 5895-00-270-6595
NSN 5975-01-510-9722
NSN 6320-01-501-7935
NSN 6645-01-196-6277
NSN 5930-00-501-8871
NSN 5996-01-287-8311
NSN 6110-00-174-9353
NSN 6645-01-598-3976