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 6105-01-109-6256
NSN 5925-01-435-1402
NSN 5915-00-017-8865
NSN 6220-00-416-6215
NSN 6130-01-509-2926
NSN 5996-00-098-3864
NSN 6220-00-209-9630
NSN 5930-00-907-3941
NSN 5945-00-526-0310
NSN 5985-00-143-0008
NSN 5960-01-522-0391
NSN 6645-01-095-9681