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 5945-00-866-7148
NSN 5905-01-073-7353
NSN 2925-00-149-0760
NSN 5915-01-464-3853
NSN 6650-01-013-0667
NSN 5935-00-078-6019
NSN 7035-00-488-9765
NSN 7035-01-597-7179
NSN 5999-00-948-5498
NSN 6150-00-617-1300
NSN 5998-00-350-2514
NSN 6240-00-008-5263