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 5930-01-467-8981
NSN 5975-01-201-5497
NSN 6130-01-502-3189
NSN 6650-00-219-6239
NSN 6145-01-028-5990
NSN 5910-01-141-4274
NSN 5930-00-132-0182
NSN 5990-01-529-6347
NSN 5915-01-476-7124
NSN 5935-00-934-9718
NSN 5895-01-099-9748
NSN 5925-01-334-8402