Ring, 2nd compression, fig. 641004b020 item 5
No other part numbers with same form, fit, and function found.
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 for compression-ignition internal combustion piston engines (diesel), nesoi
NSN 6610-00-299-1844
NSN 5996-01-280-6461
NSN 5990-00-679-6157
NSN 2925-01-338-7126
NSN 5920-00-336-9055
NSN 2925-01-633-4048
NSN 6150-00-973-4805
NSN 6620-01-547-7758
NSN 4140-01-518-4639
NSN 6650-01-025-8803
NSN 6150-01-313-6285
NSN 6145-01-504-8141