Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 40-212-02 found under Insole Footwear Men by Spenco Medical Corporation. The National Stock Number assigned to this part is 8335011537152, and the Federal Supply Class is 8335 Shoe Findings And Soling Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 40-212-02.