Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 316 2 1391 found under Shield Heat by Cochran Airport Systems. The National Stock Number assigned to this part is 2590011245615, and the Federal Supply Class is 2590 Miscellaneous Vehicular Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 316 2 1391.