204-011-158-3 - MACHINE KEY, 2 EACH, FOR USE ON BELL 204, NSN: 5315-00-142-2341, NIIN: 001422341

204-011-158-3 - MACHINE KEY, 2 EACH

Serviceable, Sold Per Pack, Cadmium, Steel

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A machine key is a small, precision-machined metal component used to lock a rotating shaft to another component, such as a gear, pulley, or coupling. It prevents relative movement between the two parts, ensuring torque is transmitted efficiently.

Bell 204
This part is used on Bell 204 Helicopters, the original "Huey" that redefined helicopter utility and performance. Known for its ruggedness and reliability, the Bell 204 became an indispensable tool for troop transport, medevac, and supply missions during the Vietnam War, earning a legendary status among pilots and ground forces. What Sets the Bell 204 Apart:

• Military Pedigree: Designed specifically for combat support, with features that ensure performance in harsh environments.
• Multi-Role Capability: Easily adapted for medevac, cargo transport, and even armed gunship configurations.
• Proven in Combat: Its robust design and powerful engine made it a reliable asset in the most challenging conditions.
• Quick Deployment: Capable of carrying troops and equipment rapidly to and from the battlefield.

The Bell 204's ability to deliver in critical situations has made it an icon of military aviation and a precursor to many modern helicopter designs.

Specifications

Treatment (Surface): Cadmium
Material: Steel
Overall Height: 0.311" - 0.312"
Overall Length: 1.010" - 1.020"
Overall Width: 0.311" - 0.312"
Style (Type): Plain

Part Number Information

Part Number: 204-011-158-3
Unpunctuated: 2040111583
NSN: 5315-00-142-2341
NIIN: 001422341

Alternate Part Numbers

Bell Helicopter Textron Inc.: 204-011-158-003 (CAGE: 97499), 204-011-158-3 (CAGE: 97499)
Note: Some part numbers may serve as functional alternatives to the original, offering similar specifications and performance; however, prior verification is recommended to ensure suitability for the intended application.

Applications

HELICOPTER: IROQUOIS UH-1, UTILITY/SEARCH AND RECOVERY UH-1N, H1 ALL VERSIONS
This list is provided for informational purposes only and includes models that may be compatible based on preliminary data. As we continue to gather more information, the list will be updated. If you're unsure about compatibility, do not use this part on your aircraft without confirming compatibility through your repair manuals or other methods.

Product Testing: Every product is inspected for accuracy, quality, and functionality before shipping to ensure it meets our high standards.
Alternate Part Numbers: With the transition from AN to MS and NAS part numbering systems, there are often multiple part numbers that meet the same specifications and performance standards. If only an alternate part number is available, we will contact you to confirm its compatibility with your application. We strongly recommend consulting the appropriate repair manuals to ensure accuracy before using an alternate part.
Model Compatibility: We are committed to providing accurate and up-to-date compatibility information for our parts. While the listed models reflect verified applications, this list is continually expanding. If your model isn’t listed, it may still be compatible, and we encourage you to consult your repair manuals to verify the required part number before placing an order. Additionally, if you believe a model should be listed, please contact us so we can update our records accordingly.

Condition: Serviceable - Serviceable parts have been previously used but remain in operational condition. Though they may show signs of wear, they are verified as being ready for use in appropriate systems. This condition is ideal for customers seeking reliable used parts that are more cost-effective than new ones but still meet necessary functional standards for continued operation.

Unit of Sale: Sold Per Pack - This item is sold by the pack, with each pack containing a specified quantity of units. The number of items per pack is clearly indicated in the product details. Purchasing in packs offers a convenient and cost-effective way to obtain the necessary quantity for your project. Be sure to check the product specifications for the exact pack size.