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 5950-01-295-0565
NSN 5895-01-029-6225
NSN 5965-00-227-7348
NSN 5915-01-158-0176
NSN 4140-01-394-3268
NSN 6650-01-573-7165
NSN 5895-00-992-0747
NSN 5945-01-448-0190
NSN 5998-00-907-6345
NSN 5945-01-234-6404
NSN 5915-01-312-2306
NSN 5920-00-763-8006