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 6240-01-610-0789
NSN 6645-01-142-2416
NSN 4140-01-550-0022
NSN 6620-01-136-5492
NSN 6150-01-320-2660
NSN 5915-01-371-2906
NSN 7035-01-106-9776
NSN 5915-01-442-6050
NSN 5895-01-508-6401
NSN 5930-01-341-4089
NSN 5985-01-523-9457
NSN 5996-01-422-5495