Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C31 DRY STUD found under Battery Storage by Trojan Battery Company. The National Stock Number assigned to this part is 6140011345413, and the Federal Supply Class is 6140 Batteries Rechargeable. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like C31 DRY STUD.