AM Book Ch3 Aircraft Harware Flashcards
What three factors are used to classify solid rivets?
- Head shape
- Material (what they’re manufactured from)
- Size
What type of rivet head does a rivet with the code number MS20426 have?
Countersunk
What code identifies a rivet with a plain head marking?
1100-F
What type of fastener is used in an application that requires a high strength, interference-free fastener?
Hi-lok
How many factory assembled parts does a Jo-Bolt consist of?
3
a Jo-Bolt consists of three factory-assembled parts:
1. An aluminum alloy or alloy steel nut
2. A threaded alloy steel bolt
3. A corrosion-resistant steel sleeve
It’s a pretty neat fastener! 🔧 It’s considered a high-strength, blind structural fastener that’s used when access to one side of the work is impossible. Plus, it comes in different head styles including:
- 100 degree flush head
- Hexagon protruding head
- 100 degree flush millable head
What type of fastener is used on panels that are removed and reinstalled frequently for maintenance repairs?
Turnlock fasteners are used to secure panels that require frequent removal.
They come in several different styles and are usually referred to by the manufacturer’s trade name. Some common types include:
- Camloc fasteners
- Dzus fasteners
Which of the following parts is used only on heavy-duty Dzus fasteners?
A grommet
Which of the following is an example of an all metal self locking nut?
A flexloc nut
When replacing an original screw in a structure, you should never use which of the following screws?
A self tapping screw
Aircraft cables have the center core twisted in one direction and the outer core in the opposite direction for what reason?
To minimize the stretch or set
A piece of 7 x 19 cable has what total number of wires?
133 wires
Terminal fittings are generally attached to the ends of cables by what method?
Swagging
What manual should you first consult when replacing an aircraft wire?
Maintenance instruction manual (MIM)
What type of terminal is generally recommended for use on naval aircraft?
Solderless crimped type
What device is used on naval aircraft to allow the continuous satisfactory operation onboard electrical equipment?
Static discharger
