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 5965-01-446-6001
NSN 6220-01-123-1353
NSN 6685-01-401-5360
NSN 6105-01-381-2496
NSN 5999-01-132-9587
NSN 5855-01-225-5855
NSN 2925-00-432-3410
NSN 6135-01-034-5202
NSN 6620-00-663-6026
NSN 5990-00-197-0159
NSN 5975-01-534-3621
NSN 2925-01-053-5697