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 6240-01-426-5581
NSN 5920-00-373-3636
NSN 6110-01-378-6659
NSN 5835-01-253-8092
NSN 6240-00-331-8732
NSN 5950-00-335-2532
NSN 4140-00-767-3107
NSN 6610-01-252-8201
NSN 2925-01-208-6638
NSN 7035-01-381-5411
NSN 6240-01-287-1328
NSN 6110-00-782-1174