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 6645-01-550-9669
NSN 6620-00-726-8153
NSN 5960-00-171-9575
NSN 5975-00-357-0974
NSN 5855-01-567-7327
NSN 6105-01-005-4825
NSN 5950-01-069-2229
NSN 6650-01-221-0034
NSN 6610-00-260-1181
NSN 5985-01-089-8621
NSN 6650-01-387-6131
NSN 5915-00-105-6173