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 6110-01-437-8559
NSN 5925-01-364-2960
NSN 6645-01-495-0939
NSN 5960-00-332-7539
NSN 5895-01-500-0563
NSN 5945-00-186-5069
NSN 6135-00-896-3187
NSN 5925-00-550-4946
NSN 5855-00-256-5562
NSN 2925-01-464-3093
NSN 5975-00-881-8856
NSN 6610-01-431-0735