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 4140-01-556-4259
NSN 5915-00-418-3849
NSN 5835-01-307-2009
NSN 6220-00-672-4189
NSN 5990-01-249-8212
NSN 6610-01-502-8868
NSN 5930-01-228-9821
NSN 5935-01-440-9608
NSN 6135-01-344-9766
NSN 4140-01-170-4479
NSN 6650-01-094-9378
NSN 5990-01-175-2597