Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 77 52771 found under Accessory Kit Electronic Equipme by Otter Productsllc. The National Stock Number assigned to this part is 5999016667037, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 77 52771.