Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1003AF-SER 134 found under Worm Shaft by Cleveland Gear Company Inc. The National Stock Number assigned to this part is 3040012539593, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1003AF-SER 134.