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 5998-01-211-0128
NSN 6645-00-728-1316
NSN 6610-01-608-5285
NSN 5855-00-436-3852
NSN 6145-01-197-6921
NSN 2925-00-065-2244
NSN 5990-01-388-9264
NSN 6105-01-400-4194
NSN 6145-00-756-3509
NSN 6320-01-078-8257
NSN 6110-00-288-4179
NSN 5950-01-190-0164