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 5985-01-065-1675
NSN 6135-01-361-6197
NSN 6220-01-032-3684
NSN 6645-00-947-0625
NSN 6240-00-204-0459
NSN 5935-01-233-9591
NSN 5905-00-449-2582
NSN 5945-01-048-0749
NSN 5996-00-788-7670
NSN 6645-00-590-8801
NSN 5960-00-807-7295
NSN 6110-01-462-5521