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 5950-01-607-2020
NSN 5930-01-579-2194
NSN 6620-00-349-8013
NSN 4140-01-095-4149
NSN 6145-01-260-2570
NSN 6320-01-062-9351
NSN 5950-00-888-0288
NSN 6645-01-004-7768
NSN 6320-01-576-6310
NSN 6610-00-114-1802
NSN 5835-01-522-1023
NSN 5905-00-433-3140