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 6620-01-377-0414
NSN 5975-00-192-1919
NSN 5920-01-380-3196
NSN 5996-01-555-2924
NSN 5960-01-010-3083
NSN 6650-00-684-3060
NSN 6220-01-198-5630
NSN 5965-01-378-7335
NSN 5835-01-371-8759
NSN 5905-00-444-0462
NSN 5998-00-027-4173
NSN 6650-01-392-0588