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 5930-01-170-8112
NSN 5960-01-436-4493
NSN 6145-01-055-4470
NSN 5960-01-286-1893
NSN 6220-01-623-0649
NSN 5990-00-179-2576
NSN 6320-01-335-8336
NSN 5965-01-364-0334
NSN 6220-00-635-8818
NSN 6650-01-015-7111
NSN 6685-00-823-7790
NSN 5985-01-444-1413