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 6645-01-400-2119
NSN 7035-00-009-0099
NSN 6220-00-660-5539
NSN 5925-00-151-9684
NSN 6220-01-422-5902
NSN 5950-01-648-4142
NSN 6685-01-480-6030
NSN 6650-01-204-7841
NSN 6320-01-512-2031
NSN 6110-00-301-1302
NSN 6685-01-227-6785
NSN 5910-00-054-5508