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 5999-01-448-4216
NSN 5930-01-551-0791
NSN 6220-01-123-4096
NSN 2925-01-087-4184
NSN 6105-01-466-3116
NSN 5990-00-554-0366
NSN 6220-01-446-6430
NSN 5985-00-725-0250
NSN 5945-00-849-2359
NSN 6105-01-433-2899
NSN 5835-01-076-4091
NSN 5996-01-467-9391