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 5935-01-013-5891
NSN 5965-01-450-7694
NSN 4140-00-862-5644
NSN 5930-01-130-0663
NSN 6685-00-552-2154
NSN 6610-01-563-8223
NSN 6220-00-327-8775
NSN 6610-01-104-6981
NSN 5990-01-327-1558
NSN 5965-01-375-4335
NSN 5965-00-909-5345
NSN 6240-01-464-2284