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 5975-01-043-3084
NSN 5920-00-572-7441
NSN 5925-01-647-2600
NSN 5935-00-405-3953
NSN 5895-01-598-4249
NSN 6105-01-623-1922
NSN 5950-00-004-5000
NSN 5985-00-795-7292
NSN 6130-00-688-7085
NSN 5960-01-076-9930
NSN 2925-00-413-2064
NSN 5925-01-434-9593