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 6650-01-016-0406
NSN 5975-00-885-5591
NSN 7035-01-138-5781
NSN 5920-00-594-3124
NSN 5990-01-619-8514
NSN 5835-00-911-2340
NSN 5975-00-236-0841
NSN 5965-01-366-5900
NSN 5855-01-426-5589
NSN 5935-01-131-4387
NSN 5905-00-314-3564
NSN 5965-01-095-1926