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 5935-01-020-8274
NSN 6145-01-541-9085
NSN 5965-01-649-1279
NSN 5905-01-357-6113
NSN 5975-00-022-4457
NSN 6135-01-041-3829
NSN 5920-01-474-1504
NSN 6650-00-968-5700
NSN 6110-01-299-4352
NSN 6240-01-527-2186
NSN 5915-01-645-4809
NSN 6105-01-494-1234