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 5905-00-321-7092
NSN 5905-01-237-2122
NSN 6135-00-112-8637
NSN 5990-01-588-3999
NSN 5996-01-465-9501
NSN 5905-00-075-1982
NSN 5990-00-422-2093
NSN 6650-01-463-8405
NSN 4140-01-373-5655
NSN 5975-00-773-6208
NSN 5935-01-485-0243
NSN 5925-01-448-9590