1st gear is antibacklash type
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 5996-01-616-2945
NSN 6610-01-078-3242
NSN 6610-01-250-7477
NSN 6130-01-063-0194
NSN 4140-00-937-0016
NSN 5950-01-144-6704
NSN 6220-00-478-6480
NSN 4140-01-385-8478
NSN 6105-01-218-0654
NSN 5925-01-324-2913
NSN 6145-01-014-6260
NSN 5835-01-580-0446