CASE CONSTRUCTION OEM Part No. F19646

Lock Nut 13/16in 20 Thin

Case Construction ·548 Fitments

$15.75 USD · per unit Available
Ships fastFrom our warehouse
30-day returnsNo restocking fees
OEM guaranteedDirect from manufacturer
Machine Model Years
FARMALL TRACTOR 100 1955 – 1956
FARMALL TRACTOR 100 1955 – 1956
FARMALL TRACTOR 100 1955 – 1956
FARMALL TRACTOR 100 1955 – 1956
FARMALL TRACTOR 100 1955 – 1956
INTERNATIONAL DIESEL TRACTOR 1026 1970 – 1988
INTERNATIONAL DIESEL TRACTOR 1026 1970 – 1988
INTERNATIONAL DIESEL TRACTOR 1026 1970 – 1988
INTERNATIONAL DIESEL TRACTOR 1026 1970 – 1988
INTERNATIONAL DIESEL TRACTOR 1026 1970 – 1988

Enhance your heavy equipment’s performance with the Case Construction Lock Nut – 13/16in 20 Thin #F19646. Designed for durability and precision, this essential part ensures secure fastening, making it ideal for demanding construction environments. Trust Case for reliability.

Compatible equipment

This part fits FARMALL TRACTOR, INTERNATIONAL DIESEL TRACTOR, INTERNATIONAL 66 SERIES DIESEL TRACTOR, CASE CRUZ-AIR WHEELED EXCAVATOR, CASE TRACTION KING TRACTOR (AFTER S/N 9806101), CASE TRACTION KING TRACTOR (BEFORE S/N 9806101), FARMALL DIESEL TRACTOR, KIT PUMP MOUNTING W/LOADER FOR FMD FPM FSM TRACTORS, KIT HYDRAULIC USED W/LOADER ON FMD FPM FSM TRACTORS, FARMALL GAS TRACTOR, INTERNATIONAL HARVESTER COTTON HARVESTER, CASE IH AXIAL-FLOW COMBINE (NORTH AMERICA), CASE IH AXIAL-FLOW COMBINE, CASE IH HILLSIDE COMBINE, CASE IH HILLSIDE COMBINE (S/N JJC0080540 & AFTER), CASE IH COTTON HARVESTER, CASE IH COTTON PICKER (S/N JJC0012691 & AFTER), CASE IH COTTON PICKER W/NAVISTAR ENGINE, CASE IH COTTON PICKER (S/N JJC0002462 & AFTER), CASE DIESEL TRACTOR (PRIOR TO S/N 17895000), CASE DIESEL TRACTOR (S/N 17895000 THRU 002 & UP), CASE IH COTTON PICKER, CASE IH COTTON EXPRESS COTTON PICKER, CASE DIESEL TRACTOR, CASE DIESEL TRACTOR (PRIOR TO S/N 17897500), CASE DIESEL TRACTOR (S/N 17897500 TO 17897505 17897510 & AFTER, INTERNATIONAL INDUSTRIAL DIESEL TRACTOR, CASE IH AXIAL-FLOW COMBINE (EU), CASE IH AXIAL-FLOW COMBINE (NA), INTERNATIONAL TRACTOR, INTERNATIONAL SERIES-A TRACTOR, CASE IH AXIAL-FLOW COMBINE (EU) ASN HAJ300001, CASE IH AXIAL-FLOW COMBINE (NA) BTW HAJ292001&HAJ300000, CASE IH AXIAL-FLOW COMBINE (NA) BTW HAJ292001&HAJ300000., INTERNATIONAL INDUSTRIAL TRACTOR, CASE IH AXIAL-FLOW COMBINE (BRAZIL), CASE IH AXIAL-FLOW COMBINE (BRAZIL) ASN HCC0020001 & Y4C621136, CASE IH AXIAL-FLOW COMBINE (EU) BSN JJC0291708, CASE IH AXIAL-FLOW COMBINE (EU) BTW HAJ292001 AND HAJ300000, CASE IH AXIAL-FLOW COMBINE (NA) BSN JJC0276540, CASE IH AXIAL-FLOW COMBINE (NA) BTW HAJ292001 & HAJ300000, CASE IH AXIAL-FLOW COMBINE (RU) ASN HAJ300001, INTERNATIONAL SERIES-A TRACTOR (EUROPE), INTERNATIONAL SERIES-A TRACTOR (NORTH AMERICA), INTERNATIONAL INDUSTRIAL GAS TRACTOR, CASE IH INDUSTRIAL TRACTOR (S/N 1591 & ON), CASE IH COTTON EXPRESS COTTON PICKER (AFTER S/N JJC0249500), CASE IH COTTON EXPRESS COTTON PICKER (BEFORE S/N JJC0249499), AXIAL-FLOW COMBINE (NA) ASN HAJ0300001, CASE IH AXIAL-FLOW COMBINE (NA) ASN HAJ300001, CASE IH DIESEL TRACTOR, INTERNATIONAL UTILITY TRACTOR, INTERNATIONAL HARVESTER COMBINE (BEAN SPECIAL), INTERNATIONAL HARVESTER COMBINE including models 100, 1026, 1066, 1085B, 1085C, 1086, 1086B, 1200, 1206, 1256, 1285, 1286, 130, 140, 1400, 1440, 1456, 1460, 1466, 1468, 1480, 1486, 1566, 1568, 1586.

Frequently asked questions

What is the part number?

The manufacturer part number is F19646.

Is this a genuine OEM part?

Yes. Southeastern Equipment stocks OEM and quality aftermarket parts for heavy equipment. Contact us if you need a specific OEM source or aftermarket option.

Will this fit my machine?

See the compatible equipment list above. If your model is not listed, call us with your machine's serial number and we can confirm.

Where does this ship from?

Southeastern Equipment Company ships parts nationwide from our US warehouse. Orders placed before 2 PM ET typically ship same day.

Manufacturer part number
F19646
Internal SKU
IC:F19646
Brand
CASE CONSTRUCTION
Condition
OEM, new
Category
Case Construction
Weight
0.06 lb

Free pickup at any of our 17 branches across Ohio, Indiana, Michigan, and Kentucky. Select your preferred branch at checkout.

30-day no-fault returns. Bought the wrong part? Send it back for a full refund — no restocking fees, no minimums.

This part appears in these diagrams

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