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 6240-01-032-7095
NSN 5855-01-500-2531
NSN 6150-01-174-9403
NSN 6220-00-264-9473
NSN 5990-00-564-9442
NSN 6105-01-467-3694
NSN 5998-01-547-9841
NSN 6320-01-441-1371
NSN 6645-00-050-3738
NSN 5925-00-478-3352
NSN 6150-01-613-1738
NSN 6685-01-077-7317