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 5999-00-136-1231
NSN 5990-00-840-6571
NSN 5920-00-482-3441
NSN 6685-00-132-5126
NSN 5930-01-545-7604
NSN 4140-01-232-2203
NSN 6130-00-618-7467
NSN 5855-01-391-9334
NSN 6685-01-088-7317
NSN 5920-00-150-1148
NSN 5950-00-443-2885
NSN 5915-01-398-3809