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 5960-00-449-3358
NSN 5998-01-484-8500
NSN 5945-01-408-4552
NSN 6150-01-253-1387
NSN 6220-01-567-6956
NSN 6220-00-702-6358
NSN 4140-01-360-6744
NSN 6105-00-456-1433
NSN 6645-01-116-0750
NSN 2925-01-251-2989
NSN 6110-00-891-9917
NSN 6150-01-510-3386