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 5855-01-411-0189
NSN 5920-00-112-4341
NSN 5996-01-064-6969
NSN 5915-01-456-7988
NSN 5990-00-576-4882
NSN 5975-00-026-0933
NSN 6685-01-231-2866
NSN 6220-01-036-3278
NSN 6240-00-789-3370
NSN 5935-00-707-7988
NSN 6150-01-108-6153
NSN 6650-00-769-3003