Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number QQ N 281 CLASSA 0 438X0 875 found under Key Woodruff by Federal Specifications. The National Stock Number assigned to this part is 5315014116951, 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 QQ N 281 CLASSA 0 438X0 875.