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 5985-01-425-9690
NSN 6105-01-308-7622
NSN 6145-01-481-4195
NSN 6650-00-972-8612
NSN 5990-00-539-7859
NSN 7035-01-512-1826
NSN 6240-01-184-6831
NSN 5835-00-589-6300
NSN 5910-01-481-8674
NSN 5835-01-597-4820
NSN 5975-00-111-1226
NSN 6145-01-469-9235