Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NAS1211-B15 found under Adapter Tie Down Aircraft Floor by National Aerospace Standards. The National Stock Number assigned to this part is 1670008744063, and the Federal Supply Class is 1670 Parachutes Aerial Pick Up Delivery Recovery Systems And Cargo Tie Down Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like NAS1211-B15.