Feeler gauge, used with the aligning points, nsn: 6640-01-528-8401; used for periodically maintenance purposes
NSN 6150-01-597-5724
NSN 5998-01-600-7001
NSN 5996-01-307-1351
NSN 5975-01-075-5406
NSN 6645-00-634-9317
NSN 6150-01-514-7370
NSN 5950-00-496-6898
NSN 6135-00-078-9931
NSN 6220-01-050-8122
NSN 5960-01-013-9346
NSN 5945-01-382-8214
NSN 5935-01-253-4881