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 5975-01-209-6806
NSN 5985-00-411-1704
NSN 7035-01-044-0136
NSN 5950-00-854-4643
NSN 5915-00-977-5839
NSN 6130-01-561-2581
NSN 6105-01-580-7771
NSN 6135-01-319-5567
NSN 5990-01-199-4832
NSN 5998-01-434-1489
NSN 5996-01-026-9981
NSN 5930-00-338-3005