Firestone 22C Airide Airbag Double Convoluted Air Spring 12"OD 10.5" SS Plate

New old stock from spare parts storage.  Has some shelf wear.
22C bellows.
12" Bellows OD.
10.5" Bead Plate Dia. Stainless Steel
6-3/16" Mount Bolt Centers 3/8"-16
4-1/4" Overall Minimum Height
3/4" NPT Air Supply Hole