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 5925-01-106-2086
NSN 5835-01-442-6482
NSN 6130-00-350-0253
NSN 5998-01-123-8412
NSN 5910-00-176-3234
NSN 5998-01-458-6378
NSN 6240-00-193-1806
NSN 5999-01-118-1256
NSN 5935-01-563-6318
NSN 5905-01-277-6573
NSN 5990-01-036-5602
NSN 5950-00-409-2200