Used to calibrate the machine
NSN 5925-01-476-1448
NSN 6240-01-487-6459
NSN 6645-00-946-8588
NSN 5935-01-417-2074
NSN 5950-01-426-1168
NSN 5998-01-145-7792
NSN 5960-00-511-8199
NSN 5930-01-448-1545
NSN 6650-01-504-4745
NSN 5935-01-286-5175
NSN 6645-01-272-4758
NSN 5905-01-157-9794