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 5965-01-426-3191
NSN 5895-00-819-1273
NSN 5895-01-538-1703
NSN 5905-00-226-0400
NSN 6650-01-626-0104
NSN 7035-00-517-8232
NSN 6320-00-300-5556
NSN 6150-00-074-1499
NSN 6130-01-406-4308
NSN 7035-01-411-6062
NSN 5965-01-010-1258
NSN 6685-01-545-6024