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 5935-00-519-0281
NSN 5895-01-556-1208
NSN 5895-00-322-4899
NSN 5965-01-121-6135
NSN 5855-01-400-1590
NSN 5990-01-443-2931
NSN 5999-01-202-1918
NSN 6150-01-512-9830
NSN 6610-00-331-3460
NSN 5950-01-272-4226
NSN 5985-00-481-9690
NSN 5960-00-991-1135