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 6150-01-474-6091
NSN 5855-01-041-3432
NSN 6650-00-295-1749
NSN 5930-01-315-7024
NSN 5990-01-060-3687
NSN 6240-00-404-6183
NSN 5930-01-454-1420
NSN 6130-00-840-8886
NSN 6645-00-441-8008
NSN 6240-00-946-7858
NSN 2925-00-084-8462
NSN 5990-00-791-4064