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 5975-01-416-3554
NSN 5985-00-377-9982
NSN 6135-01-142-2417
NSN 6220-01-462-4715
NSN 5960-01-370-4285
NSN 6610-00-797-1417
NSN 5855-01-522-9161
NSN 5999-01-618-6916
NSN 5835-01-599-1876
NSN 6240-01-246-0102
NSN 5950-00-389-7139
NSN 5996-00-677-2574