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 5930-01-007-6807
NSN 6645-01-421-6909
NSN 5895-00-450-0919
NSN 5930-01-435-7519
NSN 6135-00-191-6444
NSN 5985-01-426-3995
NSN 6110-01-487-5886
NSN 5960-01-503-8411
NSN 6105-01-524-4842
NSN 5835-01-203-8295
NSN 5996-00-453-6027
NSN 6130-01-152-4573