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 5985-00-513-3420
NSN 6145-01-309-7827
NSN 6150-00-372-5979
NSN 5990-00-155-2306
NSN 5835-01-005-1538
NSN 5930-00-778-7337
NSN 6150-01-348-9684
NSN 6240-00-235-5159
NSN 5835-01-565-3411
NSN 5990-01-173-9531
NSN 5950-01-634-0677
NSN 4140-01-119-2879