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 6145-00-926-7810
NSN 6240-01-016-3786
NSN 5945-01-567-0618
NSN 5930-01-550-3670
NSN 5950-01-146-8952
NSN 5905-00-419-0082
NSN 5999-00-418-3063
NSN 5930-00-256-0493
NSN 5990-00-099-0822
NSN 5915-00-222-6031
NSN 5935-00-886-5425
NSN 5990-01-579-2711