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 2925-00-041-0439
NSN 5998-01-491-6994
NSN 6130-01-054-6586
NSN 5920-01-512-4829
NSN 5960-01-178-7500
NSN 6110-00-236-4161
NSN 6320-00-343-1798
NSN 6620-01-069-0912
NSN 6220-01-145-4914
NSN 5930-01-282-5538
NSN 6135-01-469-6429
NSN 6610-01-090-2688