Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9141 found under Adapter Pull Test by Air Lock Incorporated. The National Stock Number assigned to this part is 4220000501947, and the Federal Supply Class is 4220 Marine Lifesaving And Diving Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 9141.