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 6130-00-078-9310
NSN 5990-01-072-6074
NSN 5990-01-067-1775
NSN 5965-01-513-7758
NSN 5905-01-152-6982
NSN 6610-01-605-1161
NSN 5950-01-487-3006
NSN 5910-01-163-6365
NSN 5960-00-232-2512
NSN 5895-00-437-8187
NSN 5905-01-266-3050
NSN 6130-00-137-2118