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 5920-00-160-4894
NSN 4140-01-654-6292
NSN 5930-01-101-1019
NSN 5895-00-110-0938
NSN 5905-00-139-5854
NSN 6110-00-351-6736
NSN 5965-01-237-3342
NSN 5960-00-053-4750
NSN 4140-01-453-8697
NSN 6220-00-554-5937
NSN 5895-01-386-5555
NSN 5835-01-133-6485