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 6105-00-108-1648
NSN 5999-01-485-3385
NSN 5920-01-204-6419
NSN 5920-01-309-6766
NSN 6645-00-938-2173
NSN 5920-00-081-3080
NSN 5965-01-233-2759
NSN 5996-01-597-1682
NSN 6105-01-093-5677
NSN 5855-01-366-2429
NSN 5965-01-619-3175
NSN 5998-00-401-4484