Set of 9 belts; used on dia20 blue print machine
NSN 6240-01-506-0304
NSN 5960-01-451-6993
NSN 6150-00-467-5808
NSN 6145-01-463-3965
NSN 6645-00-825-2448
NSN 6150-01-168-1278
NSN 6145-01-556-1463
NSN 5935-01-091-6168
NSN 5835-01-468-6170
NSN 6150-00-578-7816
NSN 6135-01-495-0933
NSN 6650-01-034-0471