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 5960-01-495-0859
NSN 6220-01-166-9219
NSN 4140-00-340-6971
NSN 6320-01-029-4220
NSN 4140-00-907-0775
NSN 5855-01-154-3871
NSN 4140-00-763-6527
NSN 5855-01-634-0259
NSN 5930-00-102-8886
NSN 5945-00-144-8073
NSN 5996-01-026-8382
NSN 5895-01-249-4030