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 6130-00-952-2970
NSN 5998-01-598-6639
NSN 6150-00-474-1311
NSN 6240-01-305-9257
NSN 5935-00-452-6334
NSN 5945-00-554-9351
NSN 5835-01-227-4752
NSN 6320-00-115-0883
NSN 5996-01-313-3930
NSN 5945-00-959-4997
NSN 5996-01-383-7298
NSN 5990-01-389-1196