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 6105-01-256-6427
NSN 5905-00-148-3790
NSN 5960-01-411-5899
NSN 6685-01-567-5894
NSN 6685-01-066-7472
NSN 6650-01-337-5309
NSN 5915-01-521-4758
NSN 5985-01-425-0775
NSN 6145-00-403-9458
NSN 5990-00-428-1895
NSN 6685-01-015-7658
NSN 5945-00-455-3311