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 4140-00-707-5963
NSN 6150-01-333-1548
NSN 5960-01-063-2009
NSN 5920-00-296-9869
NSN 5855-01-259-9889
NSN 5910-00-402-7662
NSN 6110-00-643-4832
NSN 5999-01-436-5986
NSN 5905-01-312-1226
NSN 4140-01-604-3870
NSN 5945-00-703-2991
NSN 7035-00-529-3128