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 5996-00-551-1097
NSN 6240-00-075-0445
NSN 5855-01-349-6135
NSN 4140-01-569-6113
NSN 6685-00-020-2976
NSN 5950-01-054-3215
NSN 5905-00-250-5413
NSN 7035-01-443-3052
NSN 6145-01-436-2146
NSN 5996-00-683-5176
NSN 5910-00-577-0040
NSN 5915-00-978-6465