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 6145-01-332-1528
NSN 6110-01-097-6805
NSN 6650-00-717-8913
NSN 6220-00-010-1595
NSN 6145-01-058-7193
NSN 5996-01-550-5086
NSN 5990-01-368-9117
NSN 5945-01-537-4317
NSN 5960-01-265-0354
NSN 4140-00-109-5137
NSN 6110-01-479-7464
NSN 5985-00-760-3730