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 6610-01-580-2667
NSN 5920-01-445-5701
NSN 6105-00-065-7603
NSN 5935-01-326-3959
NSN 6320-01-462-3555
NSN 5855-01-448-0695
NSN 5855-00-797-8217
NSN 5835-00-987-9341
NSN 6220-01-032-3451
NSN 6240-00-234-5781
NSN 5990-00-038-6482
NSN 6105-01-160-9025