Differentiated by 1-1/4 in. Diameter hole
NSN 5985-01-167-7708
NSN 6610-01-570-7550
NSN 6110-00-111-7027
NSN 5930-01-519-9105
NSN 5930-01-499-0671
NSN 2925-01-320-6512
NSN 5945-01-458-2874
NSN 5975-01-436-6901
NSN 5920-00-644-3285
NSN 5965-00-431-2492
NSN 5935-00-296-8999
NSN 7035-00-283-3112