Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4178878-1 found under Wire Electrical by Bae Systems Land And Armaments L P. The National Stock Number assigned to this part is 6145010280985, and the Federal Supply Class is 6145 Wire And Cable Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4178878-1.