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 6320-01-054-3046
NSN 6110-01-431-5770
NSN 6240-01-473-9380
NSN 6130-01-180-7069
NSN 6150-00-531-6440
NSN 5975-01-390-2703
NSN 4140-01-176-0482
NSN 6105-01-093-7413
NSN 4140-01-350-7819
NSN 6130-01-519-5593
NSN 5950-01-158-9871
NSN 6650-01-650-1762