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 5915-01-246-2375
NSN 5996-00-592-6427
NSN 6150-01-310-5120
NSN 6220-00-186-0177
NSN 5915-01-562-1664
NSN 6650-01-227-8761
NSN 6105-00-433-4360
NSN 6135-01-033-5052
NSN 6130-00-647-8471
NSN 5950-00-162-1504
NSN 5996-01-458-1757
NSN 5835-00-233-6327