Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4A10190-101A found under Insulation Duct Aircraft by Tighitco Inc. The National Stock Number assigned to this part is 1560004987496, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4A10190-101A.