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 5950-00-995-8701
NSN 5960-01-341-9291
NSN 7035-01-429-0431
NSN 5855-01-365-4287
NSN 6135-01-027-7543
NSN 6240-01-510-3050
NSN 5895-01-375-3722
NSN 5960-00-506-1295
NSN 6320-00-313-9114
NSN 5990-00-155-2306
NSN 5985-01-624-5818
NSN 5999-01-202-3916