Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12918638 found under Retainer Electrical Shield by Custom Manufacturing Solutions Inc. The National Stock Number assigned to this part is 5999013723680, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 12918638.