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 6110-01-406-4818
NSN 5915-01-624-8527
NSN 5960-01-538-2082
NSN 6620-01-104-5758
NSN 5950-01-100-1079
NSN 5950-00-011-6980
NSN 2925-01-094-4771
NSN 6135-01-415-1163
NSN 5915-00-322-4918
NSN 6240-00-112-9008
NSN 6130-01-246-2264
NSN 6135-00-166-5984