Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FH1318-0-1 found under Pin Spring Reaction by Helmet Integrated Systems Ltd. The National Stock Number assigned to this part is 5315993363291, and the Federal Supply Class is 5315 Nails Machine Keys And Pins. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FH1318-0-1.