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 6150-00-945-4904
NSN 6240-00-469-2339
NSN 6220-01-485-2381
NSN 6320-00-223-0498
NSN 5920-01-465-3560
NSN 5935-00-142-1558
NSN 5960-00-855-8792
NSN 6645-00-539-1705
NSN 6220-00-305-0801
NSN 5910-00-037-7550
NSN 5835-01-552-8365
NSN 5910-01-393-2541