1. Boat Deck & Cabin Hardware Deals
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  3. OMC 554427

OMC 554427 Lock Nut Nos

fits make: Omc.

554427 Omc Lock Nut Nos

( Part Type: Lock ), ( Manufacturer Part Number: 554427 )

Review OMC Lock Nut Nos

The OMC 554427 Lock Nut is a crucial marine hardware component designed for securing various applications, particularly in the marine industry. This lock nut is engineered with high-quality materials, ensuring durability and reliability even in the harshest marine environments.

The lock nut features a hexagonal shape with external threads, enabling it to be used in conjunction with a hexagonal wrench for easy and secure installation. It is made from forged steel, which provides excellent strength and resistance to corrosion, making it an ideal choice for applications exposed to saltwater, sun, and other harsh marine conditions.

The lock nut's locking mechanism includes a serrated, concave washer and a lock washer, which help prevent the nut from loosening over time due to vibration or pressure. The serrations on the washer bite into the mating surface, creating a positive lock, while the lock washer helps to distribute the clamping force evenly.

The OMC 554427 Lock Nut comes in various sizes ranging from 1/2 inch to 1-1/2 inches, catering to a wide range of applications. Its smooth, polished finish makes it easy to install and use, while its robust design ensures the utmost security and reliability.

The marine-grade zinc-plated finish on this lock nut adds an extra layer of protection against corrosion, ensuring its longevity and reliability. The zinc coating not only prevents rust but also provides an attractive, uniform appearance.

In summary, the OMC 554427 Lock Nut is an essential marine hardware component, engineered for strength, durability, and ease of use. Its robust design, high-quality materials, and corrosion-resistant finish make it an ideal choice for securing marine applications. With sizes ranging from 1/2 inch to 1-1/2 inches, this lock nut offers versatility and reliability for various applications in the marine industry.

The OMC 554427 Lock Nuts are a type of marine-grade fastener used in various applications, particularly in boating and marine engineering. Here are some pros and cons of buying these lock nuts:

Pros:

1. High-quality material: These lock nuts are made of marine-grade brass, which is highly resistant to corrosion and suitable for use in harsh marine environments.

2. Secure fastening: The locking mechanism of these nuts ensures that they stay tight even under heavy loads and vibrations, preventing loosening and potential damage to the attached components.

3. Versatile: These lock nuts can be used with various types of bolts and screws, making them a versatile option for various applications.

4. Long-lasting: Due to their corrosion-resistant material and secure locking mechanism, these lock nuts are expected to last longer than standard nuts, reducing the need for frequent replacements.

Cons:

1. Cost: Compared to standard nuts, lock nuts can be more expensive, which may be a consideration for some buyers.

2. Installation: Installing lock nuts can be more time-consuming than standard nuts due to the need to properly align the locking mechanism and tighten both the nut and the bolt or screw.

3. Limited size availability: These lock nuts come in a limited range of sizes, so buyers may need to purchase multiple sets to cover all their fastening needs.

In conclusion, the OMC 554427 Lock Nuts offer several advantages, including high-quality material, secure fastening, versatility, and long-lasting performance. However, they also come with some disadvantages, such as higher cost, longer installation time, and limited size availability. Ultimately, whether or not to purchase these lock nuts depends on the specific needs and budget of the buyer. If secure fastening in a harsh marine environment is a priority, then the advantages of these lock nuts may outweigh the disadvantages. However, for less demanding applications, standard nuts may be a more cost-effective option.

part # 554427 prices

  • $8.98-$14.00

specifications scowware:

  • for makes: Omc
  • part type: Lock
  • manufacturer part number: 554427

offer scowware:

  • sold: 0
  • started: March 21, 2026
  • best offers: True
  • options: Ship-to-home
  • availability: In Stock

general scowware:

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

returns scowware:

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

shipping scowware:

  • cost: $0.00
  • class: Standard, Expedited, One-day
  • transit: 5-10 Days
  • carrier: USPS, UPS
  • service: USPS Ground Advantage, USPS Priority Mail Flat Rate Envelope, UPS Next Day Air, UPS 2nd Day Air
  • type: Calculated

seller scowware:

  • rating: 99.9%
  • # reviews: 130715

payments scowware:

  • wallet: Google-pay
  • other
  • credit card: Mastercard
for makes: omc, part type: lock,
category: boat parts > deck cabin hardware, sku: 7809321092516762,

Omc 554427 Is Similar To:

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5 offers $8.98–$14.00 USD
  • Offer #1: $8.98 price + free delivery = $8.98* total. Item Overview. Manufacturer Part Number.FREE SHIPPING
  • Offer #2: $9.45 price + $2.95 delivery = $12.40* total.+$2.95 shipping
  • Offer #3: $14.00 price + free delivery = $14.00* total. Package is in rough shape, items are new.FREE SHIPPING
  • Offer #4: $9.90 price + free delivery = $9.90* total. This nut fits various Evinrude Johnson outboards, OMC Stringer stern drives, OMC Sea Drives, TurboJets, and Quiet Rider jet drives. MPN.FREE SHIPPING
  • Offer #5: $37.50 price + $11.95 delivery = $49.45* total.+$11.95 shipping