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 5920-01-441-9877
NSN 5930-01-051-8257
NSN 5935-00-473-3476
NSN 6240-01-327-3239
NSN 5960-01-130-0141
NSN 7035-01-465-0391
NSN 5950-00-252-0871
NSN 5960-01-244-6610
NSN 5905-00-409-3209
NSN 5945-00-827-1759
NSN 6240-01-442-3501
NSN 6110-01-259-3421