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 6320-01-412-2973
NSN 5925-00-186-8669
NSN 6240-00-708-2083
NSN 5960-01-491-9916
NSN 6650-01-548-8500
NSN 5998-01-370-5321
NSN 5935-01-550-2883
NSN 5930-01-076-4233
NSN 5975-00-799-2584
NSN 5920-01-369-3857
NSN 5910-00-443-2697
NSN 5920-00-063-9560