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 5935-01-108-3265
NSN 5905-01-097-2705
NSN 7035-01-547-7415
NSN 6105-01-255-9970
NSN 5855-00-918-1622
NSN 5996-00-925-1953
NSN 5910-01-425-2313
NSN 6685-01-474-8326
NSN 6240-01-408-6394
NSN 6240-00-141-6143
NSN 5990-01-146-1779
NSN 6240-01-441-8368