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 5915-00-025-1763
NSN 5945-00-901-6932
NSN 5835-01-077-4160
NSN 5935-01-463-9275
NSN 5965-01-590-5822
NSN 2925-01-602-8709
NSN 5990-00-226-7894
NSN 5895-00-448-3604
NSN 5915-01-553-6738
NSN 5975-00-823-0979
NSN 6240-00-239-0159
NSN 5855-01-478-5775