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 5960-01-292-8309
NSN 6135-01-479-9790
NSN 6240-01-553-9816
NSN 6220-01-631-3488
NSN 5950-00-895-0221
NSN 5985-01-393-0766
NSN 5985-00-452-2228
NSN 6110-01-435-1675
NSN 5975-01-185-5645
NSN 5950-00-808-3079
NSN 6135-01-632-3365
NSN 5915-01-367-2056