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 6685-01-340-3041
NSN 4140-01-039-3638
NSN 6135-00-016-0071
NSN 6135-00-100-8890
NSN 5990-00-400-4794
NSN 6145-01-384-1059
NSN 5835-01-313-7054
NSN 5975-01-421-3976
NSN 5960-01-462-6267
NSN 5835-01-384-3206
NSN 5950-01-248-9256
NSN 5930-01-328-8510