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 5985-01-320-9511
NSN 6320-01-096-6649
NSN 6105-00-807-8986
NSN 6105-00-349-9743
NSN 5990-01-548-3711
NSN 6110-01-510-4197
NSN 7035-00-574-4223
NSN 6240-00-265-6538
NSN 6685-01-359-4481
NSN 5930-00-577-4073
NSN 5990-00-880-8225
NSN 6320-01-512-2031