This listing is for a lot of three (3) brand new, new old stock (NOS) Cook Compression industrial compressor piston rings.
Brand: Cook Compression (Dover Company)
Item: Industrial Compressor Piston Rings
Part / Item Number: 580051MFB
Dimensions: 16.250" (16.250 514 RW X .750 RT)
Material: Carbon Filled Teflon
Quantity: Lot of 3 matching rings
Client Tag: EQT Midstream
Condition: New surplus old stock. The rings are completely unused and remain vacuum or shrink-wrapped on their original factory white backing board. The outer backing cardboard and labels show typical cosmetic shelf wear, discoloration, fading, and warehouse smudging from storage, but the carbon-filled Teflon piston rings themselves are perfectly intact, pristine, and ready for deployment into compressor service.