For locking gears of slick magnetos and maintaining correct timing position prior to removal/installation of magneto
NSN 5960-00-592-4118
NSN 5835-00-327-6192
NSN 5855-01-444-4228
NSN 5855-01-424-1090
NSN 6240-00-350-4375
NSN 6145-01-582-4266
NSN 5960-01-097-0645
NSN 5990-01-424-2954
NSN 2925-01-196-6187
NSN 5975-00-225-7352
NSN 5945-01-172-8596
NSN 5985-01-421-3495