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 6240-01-170-0704
NSN 5975-01-622-4878
NSN 5855-01-020-7982
NSN 6610-01-468-3025
NSN 6240-00-984-1887
NSN 6110-01-472-1963
NSN 5920-01-529-6525
NSN 5930-01-483-8615
NSN 5960-01-413-3877
NSN 5920-00-139-3736
NSN 6110-01-123-3240
NSN 5985-01-014-6419