Red, 0.020 to 0.006; for measuring bearings
NSN 5920-01-440-3029
NSN 5999-01-011-8998
NSN 5996-01-494-8178
NSN 5910-01-194-4237
NSN 6130-00-553-8758
NSN 6685-01-390-0412
NSN 5990-01-147-8097
NSN 6150-00-878-1248
NSN 5975-00-341-3913
NSN 5996-00-177-2882
NSN 6620-01-378-1366
NSN 6650-01-340-8897