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 6685-00-975-7543
NSN 5920-01-634-0250
NSN 6685-01-608-9547
NSN 6110-00-081-0927
NSN 6135-01-090-5365
NSN 5960-00-148-4493
NSN 5855-01-441-0401
NSN 5930-01-564-6000
NSN 5990-01-049-3695
NSN 6240-01-269-7276
NSN 6130-01-245-0864
NSN 5950-01-443-2465