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 5990-00-758-5930
NSN 5910-01-029-3907
NSN 5835-00-733-9145
NSN 6240-00-567-4795
NSN 5999-00-839-6478
NSN 6220-01-550-0340
NSN 5910-01-381-2767
NSN 5999-00-117-3587
NSN 6650-01-474-3754
NSN 6105-00-623-0365
NSN 5920-00-090-8396
NSN 5998-01-307-5772