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 6240-01-323-7032
NSN 5935-00-666-4877
NSN 5835-01-193-3175
NSN 5930-01-371-7046
NSN 6320-01-352-8084
NSN 6110-00-238-6016
NSN 5996-01-558-2862
NSN 5930-01-129-0105
NSN 5835-01-555-8963
NSN 4140-01-585-0067
NSN 6645-01-116-9634
NSN 6645-01-501-0576