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 5895-00-243-1959
NSN 5910-01-003-8582
NSN 7035-00-392-5417
NSN 6320-00-116-3658
NSN 6645-00-222-2785
NSN 5905-01-228-9009
NSN 6610-00-224-8821
NSN 5905-01-206-9982
NSN 5895-01-399-0240
NSN 5935-00-403-2233
NSN 5855-01-100-3272
NSN 5915-01-309-1598