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 6130-00-378-5567
NSN 5930-00-211-4316
NSN 6110-01-429-8668
NSN 6105-01-487-7484
NSN 6650-01-181-6037
NSN 6610-00-443-2980
NSN 5965-01-196-7760
NSN 6610-01-394-4944
NSN 5915-01-363-7133
NSN 6685-01-289-5941
NSN 5985-01-510-8495
NSN 5996-01-584-5603