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 7035-01-271-1643
NSN 5996-00-888-1180
NSN 6105-01-510-3915
NSN 5975-01-237-5769
NSN 5945-01-094-7360
NSN 5910-01-392-1487
NSN 5920-01-349-0012
NSN 5950-00-064-4915
NSN 5985-01-152-0154
NSN 5910-00-014-6593
NSN 6240-00-297-3919
NSN 6110-01-648-0592