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Aircraft Maintenance Engineering > AME T102 Hardware (Part 1) > Flashcards

AME T102 Hardware (Part 1) Flashcards

1
Q

What does S.A.E. stand for?

A

S.A.E. - Society for Automotive Engineers.

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2
Q

What does A.A. stand for?

A

A.A. - Aluminum Association.

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3
Q

What are the four main standards?

A

1) A.N. - Airforce Navy
2) M.S. - Military Standard
3) N.A.S. - National Aerospace Standards
4) S.I. - Standard Imperial

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4
Q 
What do these four abbreviations stand for?
A.N. 
M.S. 
N.A.S. 
S.I.
A

1) A.N. - Airforce Navy
2) M.S. - Military Standard
3) N.A.S. - National Aerospace Standards
4) S.I. - Standard Imperial

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5
Q

Where will proper hardware for an aircraft be found?

Two Locations

A

1) The Illustrated Parts Manual (IPC)

2) Supplemental Type Certificate (STC)

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6
Q

What does the abbreviation ISO stand for?

A

International Organization of Standardization.

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7
Q

When measuring an AN Bolt you should measure to the nearest eighth backward / forward?

A

Backward.

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8
Q

You should measure an AN Bolt to the what nearest increment?

A

An eighth.

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9
Q

What is the hole in the bolt head meant for?

A

Lockwire

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10
Q

What is a hole found in the threads meant for?

A

Cotterpins

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11
Q

Part Number: AN5-H30A

What does the “H” mean?
How about the “A”?

A

An “H” means that there is a hole in the head.

An “A” means that there is an Absence of a hole in the threads.

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12
Q

When looking at a bolt, you find a symbol of a triangle. What does this mean?

A

The bolt is close tolerance.

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13
Q

An “X” is found on a bolt. What does this mean?

A

It is an AN bolt.

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14
Q

Screws are sized using their…

A

Number

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15
Q

Machine screws are non-structural hardware.

True or False

A

False. They may be either.

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16
Q

How are structural screws marked as opposed to their non-structural cousins?

A

Structural screws will always be marked with an “X.”

17
Q

There are two types of non-structural screws - Type A and Type B. What is the difference?

A

Type A have a sharp, pointed end.

Type B are blunt.

18
Q

Part Numbers:

  • MS241693
  • MS241693C
  • MS241693B
  • MS241693D

What is the difference between the four part numbers above?

A

The first is Cadmium Plated.
Second, Corrosion resistant.
Third, Brass (DD)
Fourth, Aluminum (AA)

19
Q

How do you tell the difference between Zinc Plated hardware and Corrosion resistant steel just by looking at them?

A

Zinc is shinier than Steel.

20
Q

How would you convert a screw size to an AN bolt size?

A

Multiply the screw size by four.

Add 0.060.

21
Q

What is the main difference between coarse and fine thread?

A

Coarse thread has less suface area than fine thread does.

22
Q

Define Major Diameter.

Minor Diameter…

A

Major: Body drill size.
Minor: Same as the inside hole of a nut.

23
Q

What does the abbreviation NC stand for?

UNF?

A

NC - National Coarse

UNC - Unified National Fine

24
Q

Are AN bolts NC or UNC?

A

UNC - National Fine

25
Q 
Classes of fit:
1
2
3     What is the meaning of each?
4
5
A 
1 - Loose (A wing nut) 
2 - Free (Screws) 
3 - Medium (Bolts & maybe screws)
4 - Close (Will need a wrench)
5 - Tight (Only undone every twenty years)
26
Q

Explain CAR 527.607 Fasteners Law

A

Each removable bolt, screw, nut, pin, or fastener whose loss could jeopardize the safe operation of the rotorcraft ust incorporate two separate locking devices.

27
Q

Washers:

  • AN 960
  • AN 960C
  • AN 960B
  • AN 960D

What is the meaning of the last designation in each of the four part numbers?

A

1) Cadmium Plated
2) Corrosion Resistant
3) Brass
4) Aluminum

28
Q

Part Number: AN 960-416L

What is the meaning of the “L”?

A

The “L” means that the washer is light and half the thickness of the original washer without the “L” designation.

29
Q

What is the purpose of a Light Washer?

A

These washers are used for aligning the Cotterpin Hole with a Castellated Nut.

30
Q

How would you identify a washer?

A

By measuring the minor diameter.

31
Q

What is the minor diameter of a washer?

A

Minor diameter is the inner hole of a washer.

Aircraft Maintenance Engineering (12 decks)

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