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 5945-00-757-3105
NSN 5855-00-198-3197
NSN 6220-01-486-1892
NSN 4140-00-408-2789
NSN 5950-01-496-4162
NSN 5935-01-541-4969
NSN 5945-01-608-4428
NSN 5925-01-133-3444
NSN 5920-01-118-5688
NSN 5960-01-570-8605
NSN 5999-01-329-7632
NSN 6610-01-268-8456