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 4140-01-265-3736
NSN 6685-00-695-7129
NSN 5985-01-407-8705
NSN 5965-01-096-7825
NSN 5930-00-137-0713
NSN 5999-00-281-1021
NSN 5920-01-100-5571
NSN 5895-01-364-5704
NSN 6110-01-571-5019
NSN 5945-01-410-7667
NSN 6685-01-487-6001
NSN 5996-01-181-2697