Description
Rotary Lift 40657 3/8″-16NC Nylon Insert Jam Nut for OR14 14K 4-Post Alignment Lift
This is a replacement 3/8″-16NC nylon insert jam nut listed for the Rotary OR14 14K 4-Post Alignment Lift. Replace the nut whenever it has been removed or no longer holds tension, and match the thread size and drawing callout to your parts manual or the original hardware before ordering.
Product Information
- Brand / Equipment: Rotary Lift
- Manufacturer / Reference Part Number: 40657
- Store SKU: ROY0657
- Component: 3/8″-16NC Nylon Insert Jam Nut
- Specification: Thread: 3/8″-16NC, nylon locking insert, jam (thin) pattern
- Listed Application: OR14 14K 4-Post Alignment Lift
Parts Diagram & Manual Reference
This exact part number appears in the factory parts documentation as item 6 in the OR14 14K 4-Post Alignment Lift 4-Wheel Steer Slip Plate Parts breakdown.
Fitment & Ordering Notes
Lift manufacturers may change hardware across model years and production runs. Before ordering, compare the reference part number, thread size, and drawing callout in this listing with the parts manual or the original component on your lift. If your equipment shows a different part number, verify interchange before installation.
Additional Product Information
The nylon locking insert resists loosening under vibration in the OR14 4-wheel-steer slip plate assembly. Replace the nut whenever it is removed, since the insert loses its grip after reuse.




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