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Part # TLSL-KT-2
STOP LUG KIT, Torque Link
Included Components (3 Part Types)
$0.95/each
Kit includes 2
$272.71/each
Kit includes 1
$46.83/each
Kit includes 1
Product Details
Specifications
- Approval
- Kit with Approved Contents
- Condition
- New
- Manufacturer
- McFarlane Aviation
- Dimensions
- L: 7 x W: 5 x H: 2 in
- Weight
- 0.112 lbs
- Unit of Measure
- Each
- McFarlane Part Number
- TLSL-KT-2
Product Description
Torque Link Stop Lugs and Safety Plate
This often overlooked but important part is affordable at McFarlane!
The torque link stop lug is a sacrificial part that hammers against a flat spot on the lower part of the shock strut outer tube when the strut extends after takeoff. This prevents the strut from overextending and forces the nose wheel and rudder system into proper alignment for flight.
Due to repeated hammering with every takeoff, these stop lugs must be periodically replaced. Excessive wear can allow overextension of the strut. They also often wear unevenly resulting in inconsistent alignment of the nose wheel in flight which then causes extra drag and yaw. The extra yaw can require increased rudder trim which causes even more drag. So yes, replacing a torque link stop lug can reduce drag!
- Safety plate features bend up tabs to secure stop lug bolts
- Super tough 4130 alloy steel for corrosion resistance
- Kits include stop lug, safety plate and applicable 3/16" bolts
More important than you 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 dampening action and the pin hammering the orifice every landing, and distorting and enlarging it. Over time, the excess nose strut travel and lack of dampening 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.
Other nose wheel steering parts:
Maintenance Tip:
Replace the stop lug if it is no longer flush with the strut, mushroomed, worn, rounded, bent away from the torque link, or if it has stress cracks. The safety plate should not be reused.
WARNING: Cancer and/or Reproductive Harm - California Proposition 65 Resources
Eligible Aircraft
| Make | Model | Start S/N | End S/N | Quantity Per Aircraft | Location | Comment | Eligibility Chart |
|---|---|---|---|---|---|---|---|
| Cessna 172H (T-41A) | 172H (T-41A) | S/N 17254893 – 17256512 | 17256512 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Standard Duty Landing Gear | Eligibility Chart 6745 |
| Cessna 172I | 172I | S/N 17256513 – 17257161 | 17257161 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Standard Duty Landing Gear | Eligibility Chart 6745 |
| Cessna 172K | 172K | S/N 17257162 – 17259223 | 17259223 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Standard Duty Landing Gear | Eligibility Chart 6745 |
| Cessna 172L | 172L | S/N 17259224 – 17260758 | 17260758 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Standard Duty Landing Gear | Eligibility Chart 6745 |
| Cessna 172M | 172M | S/N 17260759 – 17263458 | 17263458 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Standard Duty Landing Gear | Eligibility Chart 6745 |
| Cessna 172M | 172M | S/N 17263459 – 17267584 | 17267584 | Quantity Per Aircraft 1 | Location Nose Strut | Comment | Eligibility Chart 6745 |
| Cessna 172N | 172N | S/N 17267585 – 17274009 | 17274009 | Quantity Per Aircraft 1 | Location Nose Strut | Comment | Eligibility Chart 6745 |
| Cessna 172P | 172P | S/N 17274010 – 17276654 | 17276654 | Quantity Per Aircraft 1 | Location Nose Strut | Comment | Eligibility Chart 6745 |
| Cessna 172Q | 172Q | S/N 17275869 – 17276211 | 17276211 | Quantity Per Aircraft 1 | Location Nose Strut | Comment | Eligibility Chart 6745 |
| Cessna F172H | F172H | S/N F17200655 – F17200754 | F17200754 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Standard Duty Landing Gear | Eligibility Chart 6745 |
| Cessna F172H | F172H | S/N F172-0320 – F172-0654 | F172-0654 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Standard Duty Landing Gear | Eligibility Chart 6745 |
| Cessna F172K | F172K | S/N F17200755 – F17200804 | F17200804 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Standard Duty Landing Gear | Eligibility Chart 6745 |
| Cessna F172L | F172L | S/N F17200805 – F17200904 | F17200904 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Standard Duty Landing Gear | Eligibility Chart 6745 |
| Cessna F172M | F172M | S/N F17200905 – F17201234 | F17201234 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Standard Duty Landing Gear | Eligibility Chart 6745 |
| Cessna F172M | F172M | S/N F17201235 – F17201514 | F17201514 | Quantity Per Aircraft 1 | Location Nose Strut | Comment | Eligibility Chart 6745 |
| Cessna F172N | F172N | S/N F17201515 – F17202039 | F17202039 | Quantity Per Aircraft 1 | Location Nose Strut | Comment | Eligibility Chart 6745 |
| Cessna F172P | F172P | S/N F17202040 – F17202254 | F17202254 | Quantity Per Aircraft 1 | Location Nose Strut | Comment | Eligibility Chart 6745 |
| Cessna FR172E | FR172E | S/N FR17200001 – FR17200060 | FR17200060 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna FR172F | FR172F | S/N FR17200061 – FR17200145 | FR17200145 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna FR172G | FR172G | S/N FR17200146 – FR17200225 | FR17200225 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna FR172K | FR172K | S/N FR17200591 – FR17200675 | FR17200675 | Quantity Per Aircraft 1 | Location Nose Strut | Comment | Eligibility Chart 6745 |
| Cessna R172E (T-41B,C,D) | R172E (T-41B,C,D) | S/N R172-0001 – R1720335 | R1720335 | Quantity Per Aircraft 1 | Location Nose Strut | Comment | Eligibility Chart 6745 |
| Cessna R172F (T-41D) | R172F (T-41D) | S/N R172-0336 – R172-0409 | R172-0409 | Quantity Per Aircraft 1 | Location Nose Strut | Comment | Eligibility Chart 6745 |
| Cessna R172G (T-41C,D) | R172G (T-41C,D) | S/N R1720410 – R1720444 | R1720444 | Quantity Per Aircraft 1 | Location Nose Strut | Comment | Eligibility Chart 6745 |
| Cessna R172H (T-41D) | R172H (T-41D) | S/N R1720445 – R1720620 | R1720620 | Quantity Per Aircraft 1 | Location Nose Strut | Comment | Eligibility Chart 6745 |
| Cessna R172K | R172K | S/N R1722000 – R1723454 | R1723454 | Quantity Per Aircraft 1 | Location Nose Strut | Comment | Eligibility Chart 6745 |
| Cessna 182K | 182K | S/N 18257626 – 18258505 | 18258505 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna 182L | 182L | S/N 18258506 – 18259305 | 18259305 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna 182M | 182M | S/N 18259306 – 18260055 | 18260055 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna 182N | 182N | S/N 18260056 – 18260825 | 18260825 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna P206B | P206B | S/N P206-0307 – P206-0419 | P206-0419 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna P206C | P206C | S/N P206-0420 – P206-0519 | P206-0519 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna P206D | P206D | S/N P206-0520 – P206-0603 | P206-0603 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna P206E | P206E | S/N P20600604 – P20600647 | P20600647 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna TP206B | TP206B | S/N P206-0307 – P206-0419 | P206-0419 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna TP206C | TP206C | S/N P206-0420 – P206-0519 | P206-0519 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna TP206D | TP206D | S/N P206-0520 – P206-0603 | P206-0603 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna TP206E | TP206E | S/N P20600604 – P20600647 | P20600647 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna TU206B | TU206B | S/N U206-0657 – U206-0914 | U206-0914 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna TU206C | TU206C | S/N U206-0915 – U206-1234 | U206-1234 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna TU206D | TU206D | S/N U206-1235 – U206-1444 | U206-1444 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna TU206E | TU206E | S/N U20601445 – U20601700 | U20601700 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna TU206F | TU206F | S/N U20601701 – U20602199 | U20602199 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna U206B | U206B | S/N U206-0657 – U206-0914 | U206-0914 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna U206C | U206C | S/N U206-0915 – U206-1234 | U206-1234 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna U206D | U206D | S/N U206-1235 – U206-1444 | U206-1444 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna U206E | U206E | S/N U20601445 – U20601700 | U20601700 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
| Cessna U206F | U206F | S/N U20601701 – U20602199 | U20602199 | Quantity Per Aircraft 1 | Location Nose Strut | Comment Heavy Duty Gear | Eligibility Chart 6745 |
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.
