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 5905-01-277-9537
NSN 5965-01-394-1542
NSN 5905-01-222-3282
NSN 5990-01-314-8591
NSN 5998-00-891-2314
NSN 5895-01-611-0958
NSN 5999-00-060-5300
NSN 5835-01-463-2334
NSN 5925-00-204-9759
NSN 6610-00-009-2736
NSN 5950-01-140-8096
NSN 6105-00-023-7160