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 6220-01-455-9509
NSN 6685-01-330-4910
NSN 6110-01-442-8080
NSN 6220-00-913-8486
NSN 5915-00-169-3576
NSN 6685-01-197-9638
NSN 6220-00-169-6516
NSN 6645-01-258-5558
NSN 6240-01-389-2858
NSN 5996-00-281-4500
NSN 6645-01-560-9339
NSN 5998-01-068-5219