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 6150-01-219-3129
NSN 6150-01-111-9729
NSN 5895-01-306-2167
NSN 6105-01-251-8278
NSN 5915-01-445-6577
NSN 6110-00-967-2071
NSN 5998-01-189-3390
NSN 5999-01-083-4297
NSN 5996-01-519-7548
NSN 6240-00-235-5159
NSN 6685-01-016-7354
NSN 6220-01-058-9107