Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E42005B-PC 36-HARD FIBER found under Ring Retaining by Ernst John C And Co Inc. The National Stock Number assigned to this part is 5325011950559, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like E42005B-PC 36-HARD FIBER.