Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1149-11-70-00-4 found under Holder Catch by Ahearn And Soper Co Inc. The National Stock Number assigned to this part is 5342012265742, 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 1149-11-70-00-4.