Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MIL-B-52489 found under Barbed Tape Concertina by Ael Industries Inc. The National Stock Number assigned to this part is 5660009215516, and the Federal Supply Class is 5660 Fencing Fences Gates And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MIL-B-52489.