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 5998-01-056-6546
NSN 6105-00-456-0920
NSN 5965-01-039-2795
NSN 6110-00-140-8769
NSN 6320-00-725-0754
NSN
NSN 5975-01-029-0147
NSN 6130-01-433-7423
NSN 5990-00-481-7208
NSN 6150-01-634-0575
NSN 5895-00-491-1296
NSN 6105-00-117-3966