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 5915-00-271-2321
NSN 6150-01-114-8604
NSN 5920-01-440-5629
NSN 5998-00-065-0775
NSN 5996-00-577-0483
NSN 5996-01-398-1632
NSN 6150-01-628-5359
NSN 6130-01-627-5496
NSN 5999-01-411-9537
NSN 6130-01-209-0115
NSN 6685-01-572-1688
NSN 6130-01-041-6013