Differentiated by 1-1/4 in. Diameter hole
NSN 5925-01-176-3153
NSN 5935-01-386-6367
NSN 5945-01-625-5918
NSN 5999-00-237-2845
NSN 5996-01-462-1631
NSN 7035-00-050-9962
NSN 5910-00-310-3754
NSN 5990-01-290-6815
NSN 5895-00-798-2352
NSN 6130-01-491-9516
NSN 6110-01-456-0106
NSN 6150-00-652-7794