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 5950-00-518-1922
NSN 6320-01-495-1244
NSN 5930-01-194-1198
NSN 6145-00-539-9799
NSN 6620-01-367-0844
NSN 5905-01-037-8750
NSN 6110-01-641-6373
NSN 5930-01-504-7187
NSN 5905-01-429-6066
NSN 5930-00-189-8672
NSN 4140-01-208-8964
NSN 5835-00-220-9335