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 5915-01-111-9376
NSN 5915-01-371-1450
NSN 5998-00-775-2693
NSN 6130-01-215-2774
NSN 5960-01-374-8975
NSN 5960-01-310-3863
NSN 6685-01-459-1979
NSN 2925-01-651-8683
NSN 6220-00-021-1034
NSN 6135-00-603-4859
NSN 5905-01-202-8323
NSN 6610-00-905-0210