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 5835-01-131-2027
NSN 6135-01-050-3194
NSN 5950-01-289-5205
NSN 6650-01-337-8666
NSN 6145-00-663-6133
NSN 5960-01-149-1261
NSN 5930-01-156-8770
NSN 5915-01-411-1071
NSN 6135-01-384-3915
NSN 6650-01-072-6372
NSN 5945-01-415-2842
NSN 5990-00-474-5609