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 6610-01-612-0157
NSN 6320-00-116-3658
NSN 6150-01-445-6602
NSN 5935-01-143-5338
NSN 6145-00-997-7051
NSN 6685-01-042-3529
NSN 6220-01-578-7497
NSN 5930-01-545-4838
NSN 6685-01-081-7252
NSN 5950-01-460-4254
NSN 6685-00-508-1490
NSN 4140-01-443-2391