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 5835-00-853-7785
NSN 5950-01-395-3753
NSN 4140-00-597-5260
NSN 6320-00-593-0379
NSN 6685-01-122-3571
NSN 2925-01-078-7854
NSN 6105-01-438-2738
NSN 5915-00-234-9351
NSN 5925-01-291-1525
NSN 6320-01-036-2598
NSN 6650-00-319-5589
NSN 6220-01-364-5002