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 5945-01-429-9824
NSN 4140-01-242-2296
NSN 5990-01-296-5425
NSN 5935-00-479-0375
NSN 5950-00-816-9913
NSN 5855-01-610-9557
NSN 5905-00-241-2902
NSN 6150-00-361-9880
NSN 5935-01-093-9505
NSN 5960-01-236-3884
NSN 5996-00-872-1033
NSN 5975-01-514-0043