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 5985-01-544-7810
NSN 5920-00-672-5583
NSN 6620-01-528-7510
NSN 2925-01-632-5913
NSN 6650-01-381-3542
NSN 7035-01-526-5393
NSN 6110-01-197-7674
NSN 5925-00-103-1050
NSN 6110-01-483-9207
NSN 6110-00-843-8886
NSN 6610-00-924-2828
NSN 2925-01-458-5808