A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5950-00-420-6617
NSN 5915-00-730-4434
NSN 6135-01-532-0775
NSN 5935-01-525-8718
NSN 5965-00-527-8818
NSN 5975-00-984-5793
NSN 5950-01-659-6644
NSN 2925-00-211-4761
NSN 6150-01-102-4855
NSN 6650-01-469-5651
NSN 6620-00-492-4936
NSN 7035-01-492-5271