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 6220-00-358-7347
NSN 5920-00-177-2738
NSN 6110-01-633-9660
NSN 5905-01-261-3544
NSN 6130-01-473-0475
NSN 5985-01-181-5627
NSN 5935-00-460-1581
NSN 6220-00-944-2966
NSN 6145-00-005-6399
NSN 6145-00-370-1964
NSN 4140-01-441-0691
NSN 5855-00-237-4088