Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 261 005 007 found under Adapter Spline by Kahn And Company Incorporated. The National Stock Number assigned to this part is 3040008784020, 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 261 005 007.