Largest gear is antibacklash gear
A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see gearshaft (as modified). Excludes gear subassembly, speed decreaser.
Classification: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately
NSN 6110-01-535-0995
NSN 2925-01-127-0167
NSN 6240-01-121-4124
NSN 5985-01-605-0230
NSN 6110-01-456-9438
NSN 5835-01-116-2369
NSN 5996-00-932-3796
NSN 5996-00-760-7012
NSN 5935-01-543-7728
NSN 5990-01-116-2181
NSN 6685-00-892-2454
NSN 6685-01-539-0875