Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BLT 308-01 DET.07 found under O Ring by Wa Kates Company The. The National Stock Number assigned to this part is 5331016225921, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BLT 308-01 DET.07.