Used to calibrate the machine
NSN 5990-00-583-9577
NSN 5965-01-487-3247
NSN 6645-01-154-9647
NSN 6620-00-155-2608
NSN 6150-00-057-1527
NSN 5945-01-629-5811
NSN 6220-01-371-0513
NSN 6240-00-329-9573
NSN 6240-01-415-2349
NSN 5910-01-032-5525
NSN 5950-01-607-2020
NSN 5905-01-519-6459