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 5960-00-156-5603
NSN 5945-00-283-8760
NSN 5915-01-065-9775
NSN 5975-01-203-4581
NSN 5996-00-615-4988
NSN 5925-01-460-2078
NSN 6135-01-463-3898
NSN 5996-01-013-0432
NSN 5975-01-427-3521
NSN 6135-00-491-9864
NSN 5975-01-447-2771
NSN 5945-01-030-1261