Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 449 001 158 found under Pin Straight Headless by Bell Helicopter Textron Inc. The National Stock Number assigned to this part is 5315016651965, 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 449 001 158.