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 6240-00-258-2389
NSN 5960-01-546-2379
NSN 5996-01-027-8588
NSN 5925-01-227-8378
NSN 5925-01-087-5838
NSN 5835-01-166-7420
NSN 5925-00-062-1808
NSN 6685-01-029-3773
NSN 5935-00-156-3697
NSN 5960-01-025-2526
NSN 6220-01-425-1588
NSN 6150-01-287-8304