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 6110-01-319-2687
NSN 5915-00-256-0040
NSN 5999-01-415-1215
NSN 5855-01-364-1005
NSN 6645-00-763-4852
NSN 6240-01-010-2991
NSN 5835-00-153-4100
NSN 6145-01-147-4968
NSN 6220-01-179-8278
NSN 5985-01-640-9862
NSN 6240-01-112-1120
NSN 5999-00-296-7738