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 5835-01-647-6426
NSN 6150-00-891-7922
NSN 5960-01-325-2241
NSN 6150-01-211-5412
NSN 7035-00-529-3128
NSN 5965-01-159-2694
NSN 5999-01-443-4630
NSN 6320-01-631-7828
NSN 6240-01-594-5703
NSN 6620-00-148-9613
NSN 5999-01-453-1911
NSN 5965-00-904-3451