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 5935-00-240-1306
NSN 5835-00-393-1996
NSN 6610-01-159-0438
NSN 6240-01-499-6109
NSN 5835-00-482-0924
NSN 7035-01-614-0712
NSN 6105-01-074-5369
NSN 5985-01-240-2329
NSN 5895-01-014-8308
NSN 6620-00-464-6105
NSN 5960-01-201-5804
NSN 5925-01-498-5089