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 5998-01-267-2520
NSN 5905-00-799-4037
NSN 6320-01-558-2141
NSN 5930-01-556-7138
NSN 5999-01-118-5116
NSN 5990-00-574-5777
NSN 5895-00-233-7309
NSN 5999-01-106-7638
NSN 5960-01-305-1874
NSN 5945-01-263-9269
NSN 5915-01-398-9831
NSN 5945-00-035-9251