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 5925-01-524-6610
NSN 6110-01-449-3181
NSN 6110-00-285-1895
NSN 5975-01-384-7912
NSN 5935-01-441-6902
NSN 5930-01-151-2950
NSN 6150-00-450-7697
NSN 6110-01-306-0511
NSN 5855-00-494-9581
NSN 6240-00-985-5244
NSN 4140-00-005-4574
NSN 5915-00-249-1641