Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MODEL 100 TYPE SL REF 242 found under Pin by Amarillo Gear Co. The National Stock Number assigned to this part is 5315011571788, 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 MODEL 100 TYPE SL REF 242.