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 5925-01-265-0832
NSN 6130-01-061-1154
NSN 6110-00-780-7152
NSN 6685-00-467-6096
NSN 6620-00-190-8109
NSN 6620-01-528-7510
NSN 5999-00-290-1860
NSN 6145-01-649-8002
NSN 5895-01-141-3920
NSN 5855-00-560-0110
NSN 6130-01-563-5865
NSN 5965-00-275-0491