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 5999-01-370-8431
NSN 5985-01-587-5183
NSN 7035-00-064-7008
NSN 6650-01-449-2334
NSN 5895-00-601-4179
NSN 6220-01-181-3135
NSN 4140-01-367-2547
NSN 4140-01-366-6666
NSN 6610-00-437-5681
NSN 5835-00-065-6757
NSN 5999-01-459-9938
NSN 6645-00-599-8890