This is a A-136439A1 Feeder House Chain, Smooth Slat PN: 136439A1Main Description As Following : A-136439A1 Chain, Feeder House; Smooth Slat P.N: 136439A1 For 60" feeder house - 13 SlatsC to C Of Sprocket: 27 1/4"Links: 76Quantity-Chain: 2- CA557 Replaces: FIHC1440167C76 *** NO CLASS *** , Crossed From: AM136439A1 , , AV101063 VAPORMATIC , F2344 SHOUP , 300-C136439 , , 300C136439 , Found in Section & Models : Headers/Platforms/Feeder House > Feeder House Chain, Case-IH COMBINE: 2144, Case-IH COMBINE: 2166, Case-IH COMBINE: 2344, Case-IH COMBINE: 2366 (SN