Description
Forward Lift 911403 1/4"-20 Nyloc Hex Nut, Plated (Same as 40642) for AJ 4000 / AJ 6000 Jacks
Replace missing, worn, or damaged lift hardware with the 911403 1/4"-20 Nyloc Hex Nut, Plated (Same as 40642), listed for use on AJ 4000 / AJ 6000 Jacks. This hardware is used when servicing the specified Forward Lift assembly. Match the part number, size or description, and listed application before ordering.
Product Information
- Brand / Equipment: Forward Lift
- Manufacturer / Reference Part Number: 911403
- Store SKU: FOD1403
- Component: 1/4"-20 Nyloc Hex Nut, Plated (Same as 40642)
- Listed Application: AJ 4000 / AJ 6000 Jacks
Fitment & Ordering Notes
Automotive lift manufacturers may use different parts across model years, production runs, or equipment revisions. Before ordering, compare the reference part number and the model/application information in this listing with the identification tag, parts manual, or original component on your lift. If your equipment uses a different part number, verify interchange before installation.
Additional Existing Product / Fitment Information
In the drawing images above this is part number 35 in the AJ 4000 drawing and part number 17 in the AJ 6000 (10-2005 TO CURRENT) drawing and part number 38 in the AJ 6000 BEFORE 2005 drawing.
Fits the following lift models — part number 911403 appears in the parts breakdown of each of these lifts: Forward Lift AJ4000 Air Jack, AJ6000 (Oct 2005 to current), AJ6000 (pre-2005), 10000TL-7 Low-Rise; Rotary Lift DL9, I10N000M, I12 Pro; F12 / I12.
This plated 1/4″-20 nyloc lock nut is factory hardware on the AJ series jacks. The nylon insert prevents the nut from backing off under the vibration these rolling jacks see in daily shop use. Per the Forward catalog, this part is the same as nut 40642 (NUT.250).
Genuine Forward Lift (Light Duty-Forward, Forward Parts family) catalog replacement for 911403. Check the assembly drawing for your jack vintage to confirm placement before ordering.
Fits these lifts:
- Direct Lift — DL9 (9,000 lb two-post)
- Hanmecson (VSG) — DL9
- Forward Lift — AJ 4000 rolling jack; I10 (I10N000M); I12PRO (12,000 lb two-post); F12 / I12 (12,000 lb two-post)


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