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 5996-01-142-6465
NSN 5895-01-312-5780
NSN 6220-01-193-4379
NSN 5950-01-424-7267
NSN 6105-01-420-6833
NSN 6150-00-062-2915
NSN 5930-01-603-3471
NSN 6130-01-595-6760
NSN 5975-01-266-3582
NSN 5835-00-690-8898
NSN 6320-01-399-6177
NSN 6320-01-081-7748