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Flashcards in Aircraft Hardware Deck (138)
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61

The main differnce between machine screws and bolts

Botls have an unthreaded portion (shank) and screws have threads running the entire length

62

The application of pins as hardware in aviation

Means of safetying in shear applications

63

The 4 types of pins in avaiton (hardware)

1. Roll pin

2. Cotter pin

3. Tapper pin

4. Clevis pin

64

Identify

roll pin

65

Indentify

Taper pins

66

Identify

Clevis pin

67

Identify

Split lock washer

68

Identify

Counter sunk washer

69

Indetify

Shake proof washer

70

Indentify

Plain washer

71

The piece of hardware used to protect soft materials such as aluminium, magnesium and plastic from suffering damage from wear each time that a screw needs to be removed or reinserted

HELI-COIL Insert

72

The hardware that may be installed in certain components when the threads of that component are stripped, which will restore the ability to screw hardware in and out

Hellicoil

73

Helicoil kit

74

Identify

Turnlock Fastener

75

List 4 self plugging mechaincal rivets 

1.CerryMax

2.CherryLock

3. Olympic-Loc

4. Huck

76

Identify

Aluminium Alloy 2024

77

Identify

CRES

78

Identify

Magnetically Inspected

79

Identify

Special Bolt

80

Identify

Standard steel bolt

81

The type of loading that should be avoided when using a self-locking nut on an aircraft bolt

Should not be used if there are any rotational forces applied to the nut or bolt

82

How tight the nut should be installed on a clevis bolt that is used to attach a cable fitting to a control surface horn

The nut on a clevis bolt should be just tight enough to prevent the clevis bolt from turning in the cable fitting and the horn

83

The type of area which self-tapping sheet metal screws should not be used in

Anything structural

84

How to tell when a self-locking nut must be discarded

When the self-locking nut can be screwed on to the bolt withou the use of a wrench 

85

Of what two materials are cotter pins made from

1.Low carbon steel

2. CRES

86

The smallest size cable that is allowed to be used in the primary control system of an aircraft

1/8" diameter

87

The type of control cable that must be used when pulleys are used to change the direction of cable travel

Extra-flexible cable (7x19)

88

The popular tradename brand of lockbolt used in aviation

Hi-Lok

89

The 2 tools used to install and tighten a Hi-Lok

1. Wrench 

2. Allen key

90

List 6 tradenames of special fastener hardware used on aircraft

1. Hi-Lok

2. Hi-Lite

3. Cherrybuck

4. Taper-Lok

5. Hi-Tigue

6. Jo-bolt