12 reciprocating blades
No other part numbers with same form, fit, and function found.
NSN 5950-01-344-4640
NSN 5945-01-346-4021
NSN 5975-00-910-3461
NSN 6240-01-554-5693
NSN 5920-00-593-6496
NSN 5998-00-303-2649
NSN 5835-01-364-6830
NSN 5925-01-269-2761
NSN 6610-01-391-6781
NSN 5996-01-107-1084
NSN 6130-01-361-1793
NSN 6240-01-537-6384