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 5965-01-633-8849
NSN 6105-01-461-8927
NSN 6150-00-338-3674
NSN 6620-00-778-2324
NSN 7035-01-391-7470
NSN 4140-01-267-5137
NSN 6135-01-384-3915
NSN 5835-01-027-7564
NSN 5855-01-568-7772
NSN 6240-01-533-8941
NSN 5999-01-045-9757
NSN 6610-01-348-5719