Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 377-03059-000 ITEM 57 found under Strap Retaining by York International Corporation. The National Stock Number assigned to this part is 5340015025798, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 377-03059-000 ITEM 57.