For 0.0550in diameter drill; used with 4920009748375
No other part numbers with same form, fit, and function found.
NSN 5855-01-236-4497
NSN 5895-01-196-6286
NSN 6220-01-118-3976
NSN 5855-00-149-0766
NSN 5985-00-243-2852
NSN 4140-00-917-4308
NSN 6650-00-466-1697
NSN 5910-01-640-9865
NSN 5960-00-654-7300
NSN 5975-00-794-9413
NSN 4140-01-385-3025
NSN 6320-00-646-3311