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 5965-01-385-7813
NSN 5950-00-397-3787
NSN 5930-01-442-3765
NSN 7035-00-349-8571
NSN 6650-01-408-5089
NSN 5985-00-386-2013
NSN 6105-01-526-9675
NSN 6685-01-125-5282
NSN 5915-00-253-5142
NSN 5998-00-894-9768
NSN 6135-00-284-1406
NSN 6135-01-514-5358