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 5920-01-058-1252
NSN 6220-01-546-2064
NSN 6145-01-447-2361
NSN 6110-00-135-0878
NSN 6240-00-943-4468
NSN 5960-01-045-8524
NSN 5905-00-233-5421
NSN 6105-00-144-1754
NSN 6110-01-010-0905
NSN 5985-01-476-8978
NSN 5985-01-025-7286
NSN 6135-01-278-9717