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 4140-01-108-9084
NSN 6130-01-252-8823
NSN 5910-01-569-1739
NSN 5895-01-601-4422
NSN 6110-01-388-3152
NSN 5990-01-489-0366
NSN 7035-01-398-3494
NSN 5835-01-116-2369
NSN 6110-00-223-8684
NSN 5930-01-219-4263
NSN 5915-00-229-1474
NSN 4140-00-052-0920