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 5855-00-610-4052
NSN 5985-01-411-8072
NSN 6135-01-190-2628
NSN 5990-01-109-2938
NSN 5945-01-374-7021
NSN 5965-01-605-0090
NSN 6685-00-209-4400
NSN 7035-00-215-3272
NSN 5975-00-484-9339
NSN 6610-01-388-5249
NSN 5920-01-223-0118
NSN 5950-01-337-8577