Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WK-871-108 REV A PC. 42 found under Pin Straight Headed by Walz And Krenzer Inc. The National Stock Number assigned to this part is 5315016209749, 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 WK-871-108 REV A PC. 42.