Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SP283 16X1 found under Pin Tapered Plain by Unipart Automotive Limited. The National Stock Number assigned to this part is 5315010802909, 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 SP283 16X1.