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Part # AN3-3A

BOLT, AN


$0.120 Retail Price: $0.150
In Stock

Volume pricing

  • Qty 1-4: $0.120 / Each
  • Qty 5-9: $0.115 / Each
  • Qty 10-24: $0.110 / Each
  • Qty 25+: $0.108 / Each

Product Details

Specifications

Approval
Condition
New
Manufacturer
Airfasco
Dimensions
N/A
Weight
N/A
Unit of Measure
Each
McFarlane Part Number
AN3-3A

Application

Universal Part

Universal part. Sizing customizable to fit your needs.

Product Description

P/N
Thread Size
NSN
Dia. Max
Dia. Min
Length
Grip
Thread Length
Locking Mech.
Material
Grade
Weight (lb)
AN3-3 10-32 UNF-3A 5306-00-680-6779 0.189 0.186 0.469 0.063 0.406 Drilled Shank Alloy Steel* 4037 or 8740  0.0068
AN3H3 10-32 UNF-3A 5306-00-282-4311 0.189 0.186 0.469 0.063 0.406 Drilled Shank and Head Alloy Steel* 4037 or 8740 

0.00662

AN3H3A 10-32 UNF-3A N/A 0.189 0.186 0.469 0.063 0.406 Drilled Head Alloy Steel* 4037 or 8740 0.00682
AN3-3A 10-32 UNF-3A 5306-00-150-9221 0.189 0.186 0.469 0.063 0.406 None Alloy Steel* 4037 or 8740 0.007
AN3-C3A 10-32 UNF-3A 5306-00-156-2336 0.189 0.186 0.469 0.063 0.406 None Stainless Steel** 431 0.007

*Cadmium Plated, AMS-QQ-P-416, Type II, Class 2

**Passivation per AMS2700

AN Bolts from Airfasco

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For all AN3 through AN20 options, see below table and key for hardware that McFarlane carries. Use the key for help with selection of part numbers.

  • No “A” = Drilled Shank (AN3-3)
  • A = Undrilled Shank (AN3-3A)
  • H = Drilled Head (AN3H3)
  • C = Stainless Steel (AN3C5)
Partial P/N Wrench Size

AN3

3/8"

AN4

7/16"

AN5

1/2"

AN6

9/16"

WARNING: Cancer and/or Reproductive Harm - California Proposition 65 Resources

Eligible Aircraft
Make Model Start S/N End S/N Eligibility Chart
Many ManyManyS/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZEligibility Chart
Many ManyManyS/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZEligibility Chart
FAQs

What does the Torque Link Stop Lug do?

The torque link stop lugs are more important than you would think. Overextension of the nose strut due to a worn out stop lug can lead to a cascade of problems. McFarlane A&P mechanics have seen struts over extend to the point where the metering pin comes out of the orifice. This results in loss of damping action and the pin hammering the orifice every landing and distorting and enlarging it. Over time, the excess nose strut travel and lack of damping can result in fatigue cracks in the torque link arms. McFarlane recommends thoroughly inspecting all nose strut components when replacing a severely worn stop lug.

 

The stop lug also acts as a centering device aligning the nose wheel and wheel pant straight with the airplane and slip stream after it has left the runway. Worn stop lugs can allow the nose wheel to lock in a turned position in flight that will require holding rudder for coordinated flight. Retractable gear aircraft depend on the stop lug to properly center the nose gear steering before it retracts into the wheel well.

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