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 5895-00-170-4568
NSN 6110-01-054-3032
NSN 6650-01-310-3437
NSN 6645-00-012-5834
NSN 6685-01-184-9211
NSN 6150-00-494-8038
NSN 7035-01-307-5366
NSN 5920-00-404-1078
NSN 4140-00-289-9263
NSN 5960-00-325-3076
NSN 6320-00-841-2279
NSN 6610-01-010-3159