Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PPP-B-1672 TY1 found under Box Shipping by General Services Administration. The National Stock Number assigned to this part is 8115000505237, and the Federal Supply Class is 8115 Boxes Cartons And Crates. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PPP-B-1672 TY1.