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 5960-01-140-1710
NSN 7035-01-137-6206
NSN 5925-00-905-5135
NSN 6105-01-437-6242
NSN 6110-01-301-3564
NSN 5998-00-871-9445
NSN 5835-01-612-4753
NSN 6610-00-133-7868
NSN 5985-01-441-0521
NSN 5990-01-133-0351
NSN 7035-00-902-8995
NSN 6645-00-602-5968