This is a A-195664A1 Feeder House Chain, Smooth Slat PN: 195664A1Main Description As Following : A-195664A1 Chain, Feeder House, Smooth Slat P.N: 195664A1 For 54" feeder house - 22 Smooth SlatsC to C Of Sprocket: 18 3/16"Links: 69Quantity-Chain: 3-CA557 Replaces: FIHC1480137C *** NO CLASS *** , FIHC148013724C *** NO CLASS *** , Crossed From: AM195664A1 , , AV100145 VAPORMATIC , F2388 SHOUP , 195664A1-N , , 300-C195664 , , 300C195664 , Found in Section & Models : Headers/Platforms/Feeder House > Feeder House Chain, Case-IH COMBINE: 1480, Case-IH COMBINE: 1482, Case-IH COMBINE: 1680 (W/ 3-Strand Feeder Chain), Case-IH COMBINE: 1682 (W/ 3-Strand Feeder Chain), Case-IH COMBINE: 1688 (W/ 3-Strand Feeder Chain), Case-IH COMBINE: 2188, Case-IH COMBINE: 2388, Case-IH COMBINE: 2577 (SN HAJ0300001>), Case-IH COMBINE: 2588 (SN HAJ300001>), Case-IH COMBINE: 5088, Case-IH COMBINE: 6088, Case-IH COMBINE: 7088 Associated Items : A-CA557C, A-CA557O Also A-IH-O-1440COMB, A-IH-P-ENG56CYL, A-IH-P-1480COMB, A-IH-S-ENG3400, A-IH-S-1440COMB, A-IH-S-1482COMB, A-IH-S-1660COMB, A-IH-S-1660COMB And : For 54" feeder house - 22 Smooth Slats C to C Of Sprocket: 18 3/16" Links: 69 Quantity-Chain: 3-CA557