Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0921439 found under Hose Nonmetallic by Kalmar Limited. The National Stock Number assigned to this part is 4720010452803, 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 0921439.