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 5915-01-323-7154
NSN 4140-00-225-8586
NSN 6105-01-176-3425
NSN 6240-01-315-5216
NSN 5998-01-109-4086
NSN 6150-00-976-3512
NSN 5920-01-101-3362
NSN 5990-01-485-0260
NSN 6145-01-530-7171
NSN 5990-01-443-2931
NSN 6220-00-187-8569
NSN 5895-01-155-4251