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 6135-01-222-0703
NSN 5915-01-415-3100
NSN 6105-01-240-3606
NSN 5990-01-212-2037
NSN 6145-00-581-1622
NSN 5915-01-395-7592
NSN 5915-01-407-4235
NSN 6240-00-764-5207
NSN 5950-01-084-8613
NSN 6110-00-308-3993
NSN 5996-01-221-4439
NSN 5935-01-152-2677