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 5960-01-107-5544
NSN 6645-01-492-5304
NSN 5835-01-157-5886
NSN 7035-01-061-1252
NSN 6320-01-260-4301
NSN 5855-01-163-8152
NSN 6650-01-431-8309
NSN 5905-00-222-6276
NSN 5960-01-239-4314
NSN 5895-00-233-5901
NSN 5945-01-184-8811
NSN 6320-01-521-1764