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 5930-00-068-8351
NSN 5895-00-363-9370
NSN 6150-01-358-1100
NSN 7035-01-218-6960
NSN 5855-01-411-3360
NSN 5975-01-468-3292
NSN 6320-01-219-5174
NSN 7035-01-049-6776
NSN 6610-01-021-5068
NSN 5935-01-378-4304
NSN 6135-01-265-1384
NSN 5985-00-059-1167