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 6650-01-207-0829
NSN 6240-01-568-0253
NSN 5985-01-222-0039
NSN 4140-01-557-5790
NSN 6150-00-820-2021
NSN 6150-00-202-5011
NSN 5935-01-399-0618
NSN 5965-00-217-1113
NSN 5960-00-431-5263
NSN 5975-01-085-5824
NSN 6130-01-111-7364
NSN 6220-01-025-0482