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 5990-01-332-6722
NSN 6220-01-417-6030
NSN 5925-01-178-8962
NSN 6220-01-012-0803
NSN 6220-00-926-1331
NSN 5910-01-247-2978
NSN 5915-01-344-3807
NSN 7035-01-040-6373
NSN 5960-00-007-7071
NSN 6685-00-033-7933
NSN 5998-00-136-3449
NSN 6110-00-556-0080