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 5855-01-522-0723
NSN 5935-01-087-7231
NSN 5835-01-555-4262
NSN 6105-01-327-1195
NSN 5960-01-309-5933
NSN 5920-00-073-5507
NSN 7035-01-296-4737
NSN 5920-01-317-1801
NSN 6685-00-329-2801
NSN 4140-01-103-2216
NSN 6145-01-301-7709
NSN 5925-01-516-5365