Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3F31856-101 found under Detent Restraint Rail by K And K Precision Manufacturing Inc. The National Stock Number assigned to this part is 1560008685287, 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 3F31856-101.