Camoo Prop Nut Kit for Inboard Propeller Shafts 1" & 1-1/8" — Brass nylock, stainless cotter pin, corrosion-resistant

The Camoo 5008 Prop Nut Kit is a brass and stainless-steel hardware set engineered to secure 1" and 1-1/8" inboard propeller shafts on ski, surf, and wakeboard boats.

If you operate an inboard recreational boat—Mastercraft, Nautique, Moomba, Tige, Malibu, Centurion, Supra, Sanger, Axis, Correct Craft and similar brands—the 5008 kit supplies the replacement components you need to retain a propeller reliably. The set combines a brass nylock nut, a brass key, and a stainless-steel cotter pin sized for standard inboard shafts, and it’s built for corrosion resistance in freshwater and near-shore conditions.

How does this kit secure my propeller during heavy use?

The brass nylock nut threads onto the prop shaft and uses a nylon insert to resist loosening under vibration. The brass key locks the propeller to the shaft’s keyway so rotational torque transfers cleanly, and the cotter pin prevents the nut from backing off in service. Together they form a simple, dependable mechanical retention system.

• Brass nylock nut (#5003) sized 3/4 x 10 for 1" & 1-1/8" shafts
• Brass key (#5004) fits standard prop keyway dimensions
• Stainless-steel cotter pin (#5001) provides a safety lock
• Max recommended tightening torque: 35 ft·lbs

Which boats and shaft sizes are compatible with the Camoo 5008 kit?

The kit is designed for common inboard ski, surf, and wakeboard boats that use 1" or 1-1/8" propeller shafts. Original equipment models from major manufacturers listed in the product notes are included, but it also fits many aftermarket and older boats using standard shaft and keyway sizing. Always confirm shaft diameter and thread pitch before installation.

• Compatible with Mastercraft, Nautique, Moomba, Tige, Malibu, and similar
• Intended for 1" and 1-1/8" inboard propeller shafts
• Verify 3/4 x 10 nut thread match to your shaft
• Suitable as a spare or direct replacement kit

What materials and durability features does this prop nut kit offer?

The 5008 kit pairs corrosion-resistant materials to balance strength and longevity. The nut and key are brass for good corrosion performance and ease of machining, while the cotter pin is stainless steel to resist bending and rust. Manufacturing quality control aims to deliver consistent fitment and dependable service life under normal boating conditions.

• Solid brass nut and key for corrosion resistance
• Stainless-steel cotter pin prevents rust-related failure
• Built to fit standard prop shaft keyways and threads
• Packaged together for convenient replacement on the water

How should I install and maintain the Camoo 5008 Prop Nut Kit?

Installation follows standard propeller-retention practice: slide the key into the shaft keyway, mount the propeller, thread the nylock nut to the specified torque, then insert the cotter pin to lock the nut. Check torque and the condition of the nylon insert periodically, and replace the kit if components show wear, corrosion, or deformation.

• Install key in shaft, then prop, then nut; torque to 35 ft·lbs max
• Fold cotter pin ends to secure the nut against rotation
• Inspect nylon insert and cotter pin before each season
• Keep a spare kit aboard to avoid downtime

Who is this kit for? Boaters who need a reliable, easy-to-install propeller retention solution for 1" or 1-1/8" inboard shafts will find the Camoo 5008 an economical, ready-to-fit option. It’s aimed at owners of ski, surf, and wakeboard boats who prefer OEM-style replacement hardware, fleet operators keeping maintenance spares, and DIY technicians servicing propeller systems. If you want a compact kit—brass nylock nut, brass key, and stainless cotter pin—with a straightforward installation and a spare on board, this product fits that need.

Satisfaction guarantee: Camoo backs this kit with a 30-day full refund policy and a 12-month warranty for manufacturing defects.