Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 61541 43 found under Hose Connector Chec by Piper Aircraft Inc. The National Stock Number assigned to this part is 4720010417050, and the Federal Supply Class is 4720 Hose And Flexible Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 61541 43.