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 6650-01-183-0711
NSN 5835-00-811-4554
NSN 5895-01-641-6253
NSN 6110-01-642-1279
NSN 6645-00-664-4665
NSN 7035-01-359-7460
NSN 2925-00-690-8763
NSN 6610-01-116-9276
NSN 6135-00-896-3187
NSN 6150-00-686-8322
NSN 5935-00-856-2872
NSN 6145-01-475-6681