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 6110-01-218-9472
NSN 5950-00-954-1176
NSN 5910-00-276-8592
NSN 6110-01-400-4207
NSN 5915-01-540-0051
NSN 2925-01-609-8464
NSN 5999-01-513-9169
NSN 5930-00-495-8045
NSN 6610-01-596-5975
NSN 5910-00-919-8668
NSN 6105-00-437-5939
NSN 5975-01-245-7781