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 5996-01-398-0037
NSN 5998-00-505-2057
NSN 6110-00-469-2517
NSN 6240-00-908-5069
NSN 6105-01-627-5982
NSN 5965-00-222-7394
NSN 5975-00-358-7916
NSN 5835-00-918-8169
NSN 6610-00-150-7002
NSN 4140-01-133-1512
NSN 5835-01-370-4292
NSN 5985-00-035-4558