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 5915-01-358-6474
NSN 5905-01-600-8050
NSN 6320-00-925-0558
NSN 6105-00-467-8348
NSN 5990-01-628-8188
NSN 5925-00-449-3777
NSN 5835-00-707-6266
NSN 5910-01-232-2110
NSN 6145-01-141-0214
NSN 5925-01-401-5314
NSN 6130-00-153-3136
NSN 7035-00-763-6180