Dayton Parts 334‑193 | Lock Nut ST 1‑1/8″ – Grade C

🔧 Product Overview
The Dayton Parts 334‑193 is a robust Grade C steel Stover‑style self‑locking nut, precision-engineered for heavy-duty use in commercial trucks, trailers, and industrial suspension systems. Designed with a 1‑1/8″‑12 coarse UNC thread and approximately 0.960″ height, this nut delivers the vibration resistance and clamping strength necessary in demanding applications

📏 Key Specifications

• Thread Size: 1‑1/8″‑12 UNC

• Thread Class: ST (Stover – top-lock/self-locking)

• Grade: C – high‑strength steel per IFI/ANSI standards

• Height: ~0.960″

• Finish: Typical cadmium or zinc coatings for corrosion resistance

🔗 Cross‑Reference Part Numbers
A direct replacement for multiple OEM and aftermarket references:
LN107A, 49NE1812, D84000075 / D8400‑0075, R302079, 10023

🚚 Common Applications

• Kenworth Glide Ride® rear four‑spring suspension

• Neway ARD and Page Trailmaster lift‑axle air suspensions

• Watson & Chalin AL‑ and SL‑series auxiliary suspensions

✅ Why Choose 334‑193?

• OE‑quality fitment – ideal for Hendrickson, Neway, Page, Watson & Chalin suspensions

• Self‑locking reliability – resists vibration loosening under heavy duty use

• Durable construction – high tensile strength and corrosion protection for harsh environments

• OEM cross‑fits – easy integration into existing maintenance inventories