Hub end flatted on two sides 90 degrees from securing holes; 1st gear has six lightening holes 1.250 in. Diameter equally spaced on a 3.540 in. Diameter bolt circle; six depressions, 0.780 in. Diameter 0.020 in. Deep, spaced between lightening holes on hub side on a 4.500 in. Diameter bolt circle
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 6685-01-449-8750
NSN 6610-00-060-0871
NSN 6610-00-470-8209
NSN 6145-01-579-0321
NSN 6240-00-807-8512
NSN 6685-00-009-5430
NSN 5905-00-898-1849
NSN 5910-01-090-2772
NSN 7035-00-020-2227
NSN 5930-01-310-8565
NSN 5965-01-564-8876
NSN 6320-01-176-8367