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 5835-01-209-6410
NSN 2925-00-474-4990
NSN 5910-01-185-1676
NSN 6320-01-522-0318
NSN 6650-00-590-9073
NSN 5905-00-597-6081
NSN 6610-00-244-2816
NSN 5920-01-026-2559
NSN 4140-00-833-6239
NSN 5905-00-978-4207
NSN 6620-01-590-7035
NSN 6610-01-464-3037