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 6650-00-111-3399
NSN 5950-01-227-6244
NSN 5996-01-562-6712
NSN 5895-00-840-0861
NSN 5915-00-261-7979
NSN 6220-01-510-9765
NSN 5998-00-540-4594
NSN 6220-01-152-1701
NSN 5990-01-389-1196
NSN 6135-01-246-0308
NSN 6150-01-442-0543
NSN 5999-01-561-7804