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 6105-01-309-8014
NSN 5835-01-473-1620
NSN 6150-01-551-1993
NSN 5855-01-438-4588
NSN 5945-01-428-9943
NSN 7035-00-188-6674
NSN 5996-01-065-8561
NSN 5960-01-347-0751
NSN 5925-01-578-2137
NSN 4140-00-137-2493
NSN 4140-01-005-0154
NSN 6240-00-811-2777