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 6620-00-635-7347
NSN 5965-00-469-5009
NSN 6610-00-527-8892
NSN 5895-01-151-5001
NSN 6650-01-305-4567
NSN 5895-01-131-4201
NSN 5905-01-143-0303
NSN 5920-01-334-7385
NSN 6610-00-170-6715
NSN 6145-01-041-1907
NSN 6130-01-608-7040
NSN 6240-01-123-9040