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 5945-01-437-1493
NSN 5910-01-069-2690
NSN 4140-01-557-5790
NSN 5920-01-220-2614
NSN 5950-01-553-1978
NSN 5855-00-763-2155
NSN 6135-00-062-5080
NSN 5910-01-099-4968
NSN 5965-00-529-0602
NSN 5920-01-065-1824
NSN 5920-01-075-3354
NSN 5835-01-424-0054