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 5990-00-045-5353
NSN 6685-00-959-6767
NSN 7035-00-162-5487
NSN 5855-01-020-7982
NSN 5999-01-646-3731
NSN 5975-00-779-2748
NSN 6220-01-104-1447
NSN 6145-00-496-2020
NSN 6650-01-532-6338
NSN 5905-00-126-6683
NSN 5965-00-208-4896
NSN 5835-00-814-1359