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 5998-01-659-5329
NSN 5950-01-176-4530
NSN 5985-00-458-9269
NSN 5895-01-251-2751
NSN 5920-01-412-1080
NSN 6650-01-089-3292
NSN 5965-01-646-2840
NSN 6105-01-401-5361
NSN 7035-00-574-4223
NSN 6610-00-468-1958
NSN 5985-00-655-1934
NSN 5975-01-371-7357