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 4140-00-920-0511
NSN 6110-01-184-9209
NSN 6645-01-034-0469
NSN 5990-01-050-7535
NSN 5999-01-544-2891
NSN 5835-01-355-3654
NSN 5895-01-492-4262
NSN 5925-01-502-2470
NSN 6150-01-128-6776
NSN 5935-01-622-4503
NSN 5985-01-155-4191
NSN 6685-01-007-0259