Hub-1.375 bore x 1.312 lg, for 1.375 shaft with 0.312 sq key with 3, 0.250-2ounce 2a x 1.38 lg bolt; sheave 6.900 x 1.090 face width, 2 groove, 3v groove profile
NSN 6645-01-248-3123
NSN 5910-01-502-6614
NSN 5835-01-068-3417
NSN 5990-00-900-4459
NSN 6610-00-488-9528
NSN 5915-01-099-1018
NSN 6105-01-098-1162
NSN 5835-01-576-9013
NSN 5950-01-401-5321
NSN 5855-01-178-6396
NSN 5950-00-272-7836
NSN 5925-00-415-2286