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 5915-00-263-2175
NSN 5975-00-521-7598
NSN 5920-01-392-3603
NSN 6610-01-199-9367
NSN 5855-01-211-2437
NSN 6645-01-646-2953
NSN 5905-01-042-3743
NSN 5915-01-461-2153
NSN 5920-00-840-5428
NSN 5950-01-563-7259
NSN 6620-01-322-8382
NSN 5985-00-868-3653