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 5895-00-131-0203
NSN 5910-01-257-6929
NSN 6650-01-033-6667
NSN 6620-00-530-3939
NSN 6220-01-417-2167
NSN 6685-00-425-7293
NSN 5990-00-459-5752
NSN 6645-01-541-5696
NSN 5996-01-421-4761
NSN 5950-01-454-2090
NSN 6645-01-509-7326
NSN 6610-01-295-3104