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Questions and Answers
What term is used to describe the various types of fasteners and miscellaneous small items used to manufacture and repair aircraft?
What term is used to describe the various types of fasteners and miscellaneous small items used to manufacture and repair aircraft?
- Brazing
- Welding
- Threaded fastener
- Aircraft fasteners (correct)
According to AC 20-62E, what is the requirement for installing replacement parts related to fasteners?
According to AC 20-62E, what is the requirement for installing replacement parts related to fasteners?
- Substitution of fasteners is allowed with any type of fastener
- Substitution of fasteners is allowed with similar characteristics (correct)
- Substitution of fasteners is not allowed
- Substitution of fasteners is allowed without any specific requirements
What type of fastener are bolts and screws classified as?
What type of fastener are bolts and screws classified as?
- Composite fastener
- Welded fastener
- Threaded fastener (correct)
- PMA fastener
Where are bolts typically used?
Where are bolts typically used?
What is the deciding factor for using screws?
What is the deciding factor for using screws?
What is usually screwed onto the threaded end of a bolt to complete the assembly?
What is usually screwed onto the threaded end of a bolt to complete the assembly?
What is the standard thread for 1-inch diameter size bolts with 14 threads?
What is the standard thread for 1-inch diameter size bolts with 14 threads?
What is the tensile strength of Military Standard Bolts (MS bolts)?
What is the tensile strength of Military Standard Bolts (MS bolts)?
What are the material composition options for AN BOLTS?
What are the material composition options for AN BOLTS?
How can Close Tolerance NAS Bolts be identified?
How can Close Tolerance NAS Bolts be identified?
What is the distinguishing feature on the head of a corrosion-resistant (stainless steel) bolt?
What is the distinguishing feature on the head of a corrosion-resistant (stainless steel) bolt?
What does the letter 'H' preceding the '5' indicate in the identification of a bolt?
What does the letter 'H' preceding the '5' indicate in the identification of a bolt?
What is the expected usage of a bolt identified as AN3DD5A?
What is the expected usage of a bolt identified as AN3DD5A?
What is the use of Close Tolerance Bolts?
What is the use of Close Tolerance Bolts?
What does the lesson mention about the use of aluminum alloy nuts with cadmium-plated steel bolts on land airplanes?
What does the lesson mention about the use of aluminum alloy nuts with cadmium-plated steel bolts on land airplanes?
What is the classification of threads for 1-inch diameter size bolts with 12 threads?
What is the classification of threads for 1-inch diameter size bolts with 12 threads?
Flashcards
Aircraft Fasteners
Aircraft Fasteners
Various types of fasteners and small items used in aircraft manufacturing and repair.
Replacement Part Installation (Fasteners)
Replacement Part Installation (Fasteners)
AC 20-62E allows for fastener substitutions with similar characteristics.
Threaded Fastener
Threaded Fastener
Fasteners like bolts and screws with a helical groove.
Bolt Usage
Bolt Usage
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Screw Usage
Screw Usage
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Nut Function
Nut Function
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NF Thread
NF Thread
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MS Bolt Tensile Strength
MS Bolt Tensile Strength
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AN Bolt Material
AN Bolt Material
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Close Tolerance NAS Bolt Identification
Close Tolerance NAS Bolt Identification
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Corrosion Resistant Bolt Head Mark
Corrosion Resistant Bolt Head Mark
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'H' Preceding Bolt Number
'H' Preceding Bolt Number
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AN3DD5A Bolt Use
AN3DD5A Bolt Use
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Close Tolerance Bolts
Close Tolerance Bolts
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Aluminum Nuts with Cadmium Bolst
Aluminum Nuts with Cadmium Bolst
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NC Thread
NC Thread
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Study Notes
Aircraft Fasteners
- The term used to describe various types of fasteners and miscellaneous small items used to manufacture and repair aircraft is not specified in the provided text.
Bolts and Screws
- Bolts and screws are classified as threaded fasteners.
- Bolts are typically used in structural applications where high strength and resistance to vibration and shear are necessary.
- The deciding factor for using screws is that they provide a simple and efficient way to assemble components.
Bolt Identification and Specifications
- A nut is usually screwed onto the threaded end of a bolt to complete the assembly.
- The standard thread for 1-inch diameter size bolts with 14 threads is not specified in the provided text, but it is unified national coarse (UNC).
- Military Standard Bolts (MS bolts) have a minimum tensile strength of 125,000 psi.
- AN Bolts can be composed of either steel, cadmium-plated steel, or corrosion-resistant (stainless) steel.
Close Tolerance NAS Bolts
- Close Tolerance NAS Bolts can be identified by the "NAS" prefix in the part number.
- The distinguishing feature on the head of a corrosion-resistant (stainless steel) bolt is a circle around the "R" in the marking.
Bolt Identification and Usage
- When the letter 'H' precedes the '5' in the identification of a bolt, it indicates a heavy bolt.
- A bolt identified as AN3DD5A is expected to be used in an application requiring high strength and resistance to vibration and shear.
- Close Tolerance Bolts are used in critical structural applications where high strength and resistance to vibration and shear are necessary.
Additional Information
- It is not recommended to use aluminum alloy nuts with cadmium-plated steel bolts on land airplanes because of galvanic corrosion concerns.
- Threads for 1-inch diameter size bolts with 12 threads are classified as unified national coarse (UNC).
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Description
Test your knowledge of aircraft hardware, fasteners, and methods of combining metals used in aircraft manufacturing and repair. Learn about welding, brazing, riveting, and the importance of using proper fasteners in the aviation industry.
