Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D77-51-094 ITEM 81 found under Seal Plain by Tyco Valves And Controls Lp. The National Stock Number assigned to this part is 5330013681684, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D77-51-094 ITEM 81.