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 5925-01-353-6131
NSN 5905-01-032-0922
NSN 5996-01-032-4815
NSN 2925-01-616-3037
NSN 6685-00-005-5392
NSN 5990-01-514-8708
NSN 6320-01-229-6479
NSN 6240-00-871-8798
NSN 5920-01-633-8037
NSN 5935-01-363-9946
NSN 6320-01-149-2808
NSN 6150-01-318-5770