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 5915-01-121-2565
NSN 6650-00-092-8244
NSN 6150-00-456-0775
NSN 5920-01-406-2960
NSN 5855-01-364-1005
NSN 6105-01-261-1641
NSN 5895-01-367-2922
NSN 6220-01-130-1592
NSN 5965-00-827-9680
NSN 5905-00-237-2662
NSN 5960-01-465-6847
NSN 6685-00-103-9589