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 2925-01-030-3598
NSN 5975-01-055-7331
NSN 7035-00-371-7749
NSN 5960-00-518-4704
NSN 5945-01-256-0295
NSN 6645-01-627-4123
NSN 5999-00-443-3330
NSN 6145-01-414-0271
NSN 5985-01-193-3933
NSN 6150-00-910-3934
NSN 6220-00-209-4368
NSN 5920-01-302-8242