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 5996-01-328-0021
NSN 6685-01-368-1534
NSN 2925-00-813-3971
NSN 6240-01-296-8997
NSN 6650-01-466-5615
NSN 5905-01-534-4711
NSN 6220-01-247-4381
NSN 5990-00-518-0684
NSN 5998-00-292-4954
NSN 5996-00-247-3808
NSN 5930-00-352-5617
NSN 6685-01-058-5998