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 5915-00-216-5909
NSN 6135-00-686-4777
NSN 5998-00-754-0663
NSN 6145-01-546-3379
NSN 6650-00-490-2637
NSN 5999-01-523-0089
NSN 5920-01-386-8116
NSN 2925-01-424-0235
NSN 6135-01-226-4071
NSN 6320-00-681-1324
NSN 5950-01-370-6880
NSN 6610-01-271-1205