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 6240-01-432-0819
NSN 5996-01-623-1988
NSN 6220-01-544-9226
NSN 5920-01-254-2267
NSN 5990-00-031-8598
NSN 5990-01-334-8634
NSN 5996-01-545-5216
NSN 6645-01-654-9639
NSN 5930-01-378-1780
NSN 5920-00-212-7505
NSN 6145-01-421-6585
NSN 6105-00-186-9380