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 6650-01-042-3564
NSN 5935-01-425-0734
NSN 5930-00-280-1513
NSN 5925-01-446-4974
NSN 6220-01-370-5248
NSN 5920-01-352-7223
NSN 6220-00-376-2193
NSN 5965-01-449-1101
NSN 6135-01-125-4867
NSN 6645-00-269-8440
NSN 5950-00-972-8476
NSN 5935-00-723-0349