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 5985-01-408-0379
NSN 5930-01-618-7379
NSN 6150-00-140-2508
NSN 6685-01-459-1979
NSN 6645-01-138-3855
NSN 6145-00-934-0331
NSN 5998-00-790-0102
NSN 5895-01-056-7998
NSN 5910-01-659-6079
NSN 7035-01-462-5766
NSN 5930-00-152-8709
NSN 5895-00-196-1444