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 6240-01-401-5340
NSN 6110-00-586-5534
NSN 5999-00-484-8087
NSN 5915-00-777-4296
NSN 5960-01-526-2323
NSN 6150-01-085-5085
NSN 5990-01-443-2931
NSN 6150-00-342-9765
NSN 5925-01-024-9136
NSN 5960-00-131-6744
NSN 5915-01-358-2467
NSN 5985-01-541-1416