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 5855-01-457-7715
NSN 6610-00-466-3104
NSN 5915-00-368-4564
NSN 5975-00-579-5024
NSN 5935-01-370-4877
NSN 7035-01-007-1802
NSN 6240-01-318-0531
NSN 6150-00-780-3586
NSN 5910-01-511-7609
NSN 6610-01-574-3260
NSN 6150-01-438-0455
NSN 5965-01-642-0849