Used to calibrate the machine
NSN 5895-00-278-8092
NSN 2925-01-106-3552
NSN 6240-00-820-1705
NSN 5999-01-043-7440
NSN 2925-01-629-9416
NSN 5905-01-426-2777
NSN 6220-01-038-8292
NSN 6130-01-025-6770
NSN 5998-00-009-6261
NSN 6220-01-419-4954
NSN 7035-00-200-5162
NSN 5975-01-279-0370