OMC 300345 Lock Washer Nos

( Part Type: Lock Washer ), ( Manufacturer Part Number: 300345 )

Review OMC Lock Washer Nos

The OMC 300345 Lock Washer is an essential marine hardware component designed to provide a secure and watertight connection between a locknut and the mating surface. This lock washer is specifically engineered for use in marine applications, where the corrosive environment can rapidly degrade conventional fasteners.

This lock washer is made from high-strength, corrosion-resistant material, ensuring that it can withstand the rigors of the marine environment. Its unique design features a conical shape with multiple ridges or "locking points," which bite into the mating surface when the nut is tightened. This creates a positive mechanical lock, preventing the nut from loosening or vibrating loose, even under extreme conditions.

The OMC 300345 Lock Washer is designed for use with 1/2-inch threaded fasteners and is suitable for applications where a high degree of torque is required. It is important to note that over-tightening can damage the mating surface, so it is recommended to follow the manufacturer's instructions for proper installation.

This lock washer is an essential component for any marine application, where the safety and security of the connection is critical. Whether you are working on a small outboard motor or a large commercial vessel, the OMC 300345 Lock Washer is the ideal choice for ensuring a secure and watertight connection.

In summary, the OMC 300345 Lock Washer is a high-strength, corrosion-resistant marine hardware component designed to provide a secure and watertight connection between a locknut and the mating surface. Its conical shape with multiple locking points creates a positive mechanical lock, preventing the nut from loosening or vibrating loose. It is suitable for use with 1/2-inch threaded fasteners and is essential for any marine application where safety and security are critical.

OMC 300345 lock washers are a type of fastener used in marine applications to secure parts such as impellers, propellers, and shaft seals. Here are some pros and cons of buying OMC 300345 lock washers:

1. High-quality material: OMC 300345 lock washers are made of brass or stainless steel, which are durable materials that can withstand exposure to water, saltwater, and harsh marine environments.

2. Corrosion-resistant: The use of brass or stainless steel in the lock washers makes them resistant to corrosion, which is essential in marine applications where the fasteners are constantly exposed to water and salt.

3. Locking feature: The locking feature of the OMC 300345 lock washers ensures that the nuts remain securely tightened, even in high-vibration environments.

4. Easy installation: These lock washers are easy to install, as they require no special tools or techniques.

1. Cost: OMC 300345 lock washers are more expensive than standard washers due to their high-quality materials and locking feature.

2. Limited availability: These lock washers may not be readily available at local hardware stores and may need to be ordered from marine supply retailers or OMC directly.

3. Size limitations: OMC 300345 lock washers are available in a limited range of sizes, which may not be suitable for all marine applications.

In conclusion, while OMC 300345 lock washers offer several advantages such as high-quality materials, corrosion resistance, and ease of installation, they also come with some drawbacks, including cost, limited availability, and size limitations. However, if you are working on a marine application where durability and security are essential, these lock washers may be worth the investment.

Recommendation: If you are working on a marine application and require lock washers, consider investing in OMC 300345 lock washers to ensure high-quality materials, durability, and security. However, be sure to check the availability of the correct size for your application and be prepared for the additional cost compared to standard washers.

part # 300345 prices

• $5.89-$10.40

specifications scowware:

• for makes: Omc
• part type: Lock Washer
• manufacturer part number: 300345

general scowware:

• Parts Accessories > Boat Parts > Deck Cabin Hardware
• condition: New other see details

payments scowware:

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• other
• wallet: Google-pay

shipping scowware:

• type: Calculated
• transit: 3-8 Days
• class: Standard, Expedited, One-day
• carrier: USPS, UPS
• cost: $0.00
• service: USPS Ground Advantage, USPS Priority Mail Flat Rate Envelope, UPS Next Day Air, UPS 2nd Day Air

seller scowware:

• rating: 99.9%
• # reviews: 125261

offer scowware:

• sold: 0
• quantity: 3
• options: Ship-to-home
• best offers: True
• availability: In Stock
• started: January 26, 2026

returns scowware:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

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