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 5985-01-286-1267
NSN 5999-00-836-0639
NSN 2925-01-582-4097
NSN 5945-01-537-0202
NSN 5990-01-390-2177
NSN 6135-00-196-5267
NSN 6650-01-359-5385
NSN 6240-01-439-4727
NSN 5910-01-220-1631
NSN 6220-01-155-2357
NSN 5950-01-500-5615
NSN 5895-00-514-2905