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 5895-00-906-0453
NSN 5915-01-397-2189
NSN 6130-00-467-5014
NSN 6610-01-406-4985
NSN 5855-01-253-7695
NSN 6135-01-220-7193
NSN 5960-01-481-3722
NSN 5999-01-290-4850
NSN 6130-01-303-5860
NSN 5950-00-067-7508
NSN 2925-00-816-8765
NSN 5910-01-435-5151