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 5935-00-805-1311
NSN 5920-00-438-4973
NSN 5950-00-010-3010
NSN 4140-01-366-6666
NSN 5965-01-529-4417
NSN 5920-01-376-0766
NSN 6150-01-030-6184
NSN 5945-01-322-3887
NSN 5895-01-246-7254
NSN 5985-01-564-3988
NSN 5960-00-707-3335
NSN 5855-01-464-3152