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 4140-01-415-0125
NSN 5915-00-070-7599
NSN 6320-00-857-4073
NSN 6240-00-913-4243
NSN 6135-01-400-2947
NSN 5835-00-484-1529
NSN 2925-00-066-4253
NSN 6110-01-400-4207
NSN 5990-01-328-8225
NSN 6610-01-265-0999
NSN 6685-01-391-6790
NSN 5999-01-100-0921