Ring, oil control, fig. 641004b020 item 6; surface treatment- chrome plated od (sulfate or flouride bath) class ds. Navistar specification g-19 part ii, except plating to be .011/.004 thick on rails of finished ring. Chrome in od channel and on od cornere optional;
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 of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 5960-01-027-8833
NSN 6130-00-277-7321
NSN 5895-01-118-7652
NSN 7035-01-013-0934
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NSN 5835-00-484-1529
NSN 6135-01-344-2442
NSN 5855-00-930-9478
NSN 5835-01-257-5342
NSN 6145-00-040-9976
NSN 5925-01-562-1066
NSN 6220-01-430-0442