Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A255873 found under Block Assembly by J B Nottingham And Co Inc. The National Stock Number assigned to this part is 5940013703883, and the Federal Supply Class is 5940 Lugs Terminals And Terminal Strips. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A255873.