Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0493DP999L found under Bolt Assembled Washer by Paxton Company. The National Stock Number assigned to this part is 5306015831588, and the Federal Supply Class is 5306 Bolts. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 0493DP999L.