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 5960-01-439-9517
NSN 5835-01-608-4285
NSN 5990-01-627-8097
NSN 5990-01-023-3307
NSN 5895-01-398-7238
NSN 5945-00-811-1558
NSN 5965-01-537-1536
NSN 5855-00-149-0766
NSN 6650-01-655-0762
NSN 5915-00-932-5324
NSN 6620-01-401-5356
NSN 6150-00-423-0818