Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 31634 found under Case Standardized Components Ele by Sea Bird Electronics Inc. The National Stock Number assigned to this part is 5975016693600, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 31634.