Part Number MC0442506-8

STOP LUG, Torque Link

P/N: MC0442506-8

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Approval FAA PMA
Condition New
Manufacturer McFarlane Aviation
Unit of Measure Each
Retail Price $283.19
Your Price $268.86 Free Shipping on Orders over $500
Stock Status Out of Stock

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Eligible Aircraft

Make Series Model Start S/N End S/N Quantity Per Aircraft Location Comment Eligibility Chart
Cessna 150 150D 15060477 15060772 1 Nose Gear Strut When Equipped with Heavy Duty Nose Gear 6729
Cessna 150 150E 15060773 15061532 1 Nose Gear Strut When Equipped with Heavy Duty Nose Gear 6729
Cessna 150 150F 15061533 15063457 1 Nose Gear Strut When Equipped with Heavy Duty Nose Gear 6729
Cessna 150 150G 15064533 15067198 1 Nose Gear Strut 6729
Cessna 150 150H 15067199 15069308 1 Nose Gear Strut 6729
Cessna 150 150J 15069309 15071128 1 Nose Gear Strut 6729
Cessna 150 150K 15071129 15072003 1 Nose Gear Strut 6729
Cessna 150 150L 15072004 15075781 1 Nose Gear Strut 6729
Cessna 150 150M 15075782 15079405 1 Nose Gear Strut 6729
Cessna 150 A150K A1500001 A1500226 1 Nose Gear Strut 6729
Cessna 150 A150L A1500227 A1500523 1 Nose Gear Strut 6729
Cessna 150 A150M A1500524 A1500734 1 Nose Gear Strut 6729
Cessna 150 F150F F150-0001 F150-0055 1 Nose Gear Strut 6729
Cessna 150 F150G F150-0068 F150-0219 1 Nose Gear Strut 6729
Cessna 150 F150H F150-0220 F150-0389 1 Nose Gear Strut 6729
Cessna 150 F150J F150-0390 F150-0529 1 Nose Gear Strut 6729
Cessna 150 F150K F15000530 F15000658 1 Nose Gear Strut 6729
Cessna 150 F150L F15000659 F15001143 1 Nose Gear Strut 6729
Cessna 150 F150M F15001144 F15001428 1 Nose Gear Strut 6729
Cessna 150 FA150K FA1500001 FA1500081 1 Nose Gear Strut 6729
Cessna 150 FA150L FA1500082 FA1500120 1 Nose Gear Strut 6729
Cessna 150 FA150L (when equipped w/FKA150-2311 & FKA150-2316) FA1500121 FA1500261 1 Nose Gear Strut 6729
Cessna 150 FA150M (when equipped w/FKA150-2311 & FKA150-2316) FA1500262 FA1500336 1 Nose Gear Strut 6729
Cessna 152 152 15279406 15286033 1 Nose Gear Strut 6729
Cessna 152 A152 A1520735 A1521049 1 Nose Gear Strut 6729
Cessna 152 F152 F15201429 F15201980 1 Nose Gear Strut 6729
Cessna 152 FA152 FA1520337 FA1520425 1 Nose Gear Strut 6729
Cessna 172 172H (T-41A) 17254893 17256512 1 Nose Gear Strut When equipped with Heavy Duty Nose Gear 6729
Cessna 172 172H (T-41A) 17254893 17256512 1 Nose Gear Strut 6729
Cessna 172 172I 17256513 17257161 1 Nose Gear Strut When equipped with Heavy Duty Nose Gear 6729
Cessna 172 172I 17256513 17257161 1 Nose Gear Strut 6729
Cessna 172 172K 17257162 17259223 1 Nose Gear Strut When equipped with Heavy Duty Nose Gear 6729
Cessna 172 172K 17257162 17259223 1 Nose Gear Strut 6729
Cessna 172 172L 17259224 17260758 1 Nose Gear Strut 6729
Cessna 172 172L 17259224 17260758 1 Nose Gear Strut When equipped with Heavy Duty Nose Gear 6729
Cessna 172 172M 17260759 17263458 1 Nose Gear Strut When equipped with Heavy Duty Nose Gear 6729
Cessna 172 172M 17260759 17263458 1 Nose Gear Strut 6729
Cessna 172 172M 17263459 17267584 1 Nose Gear Strut 6729
Cessna 172 172N 17267585 17274009 1 Nose Gear Strut 6729
Cessna 172 172P 17274010 17276654 1 Nose Gear Strut 6729
Cessna 172 172Q 17275869 17276211 1 Nose Gear Strut 6729
Cessna 172 172R 17280001 17281221 1 Nose Gear Strut 6729
Cessna 172 172R 17281222 17299999 1 Nose Gear Strut 6729
Cessna 172 172S 172S8001 172S9657 1 Nose Gear Strut 6729
Cessna 172 172S 172S9658 172S99999 1 Nose Gear Strut 6729
Cessna 172 F172H F17200655 F17200754 1 Nose Gear Strut When equipped with Heavy Duty Nose Gear 6729
Cessna 172 F172H F17200655 F17200754 1 Nose Gear Strut 6729
Cessna 172 F172H F172-0320 F172-0654 1 Nose Gear Strut 6729
Cessna 172 F172H F172-0320 F172-0654 1 Nose Gear Strut When equipped with Heavy Duty Nose Gear 6729
Cessna 172 F172K F17200755 F17200804 1 Nose Gear Strut 6729
Cessna 172 F172K F17200755 F17200804 1 Nose Gear Strut When equipped with Heavy Duty Nose Gear 6729
Cessna 172 F172L F17200805 F17200904 1 Nose Gear Strut When equipped with Heavy Duty Nose Gear 6729
Cessna 172 F172L F17200805 F17200904 1 Nose Gear Strut 6729
Cessna 172 F172M F17200905 F17201234 1 Nose Gear Strut When equipped with Heavy Duty Nose Gear 6729
Cessna 172 F172M F17200905 F17201234 1 Nose Gear Strut 6729
Cessna 172 F172M F17201235 F17201514 1 Nose Gear Strut 6729
Cessna 172 F172N F17201515 F17202039 1 Nose Gear Strut 6729
Cessna 172 F172P F17202040 F17202254 1 Nose Gear Strut 6729
Cessna 172 FR172E FR17200001 FR17200060 1 Nose Gear Strut When equipped with heavy landing gear 6729
Cessna 172 FR172E FR17200001 FR17200060 1 Nose Gear Strut
Cessna 172 FR172E FR17200001 FR17200060 1 Nose Gear Strut 6729
Cessna 172 FR172E FR17200001 FR17200060 1 Nose Gear Strut
Cessna 172 FR172F FR17200061 FR17200145 1 Nose Gear Strut 6729
Cessna 172 FR172F FR17200061 FR17200145 1 Nose Gear Strut
Cessna 172 FR172F FR17200061 FR17200145 1 Nose Gear Strut When equipped with heavy landing gear 6729
Cessna 172 FR172G FR17200146 FR17200225 1 Nose Gear Strut When equipped with heavy landing gear 6729
Cessna 172 FR172G FR17200146 FR17200225 1 Nose Gear Strut 6729
Cessna 172 FR172G FR17200146 FR17200225 1 Nose Gear Strut
Cessna 172 FR172H FR17200226 FR17200350 1 Nose Gear Strut 6729
Cessna 172 FR172H FR17200226 FR17200350 1 Nose Gear Strut
Cessna 172 FR172J FR17200351 FR17200590 1 Nose Gear Strut
Cessna 172 FR172J FR17200351 FR17200590 1 Nose Gear Strut 6729
Cessna 172 FR172K FR17200591 FR17200675 1 Nose Gear Strut 6729
Cessna 172 R172E (T-41B,C,D) R172-0001 R1720335 1 Nose Gear Strut 6729
Cessna 172 R172F (T-41D) R172-0336 R172-0409 1 Nose Gear Strut 6729
Cessna 172 R172G (T-41C,D) R1720410 R1720444 1 Nose Gear Strut 6729
Cessna 172 R172H (T-41D) R1720445 R1720620 1 Nose Gear Strut 6729
Cessna 172 R172K R1722000 R1723454 1 Nose Gear Strut 6729
Cessna 182 182K 18257626 18258505 1 Nose Gear Strut When Equipped with Heavy Duty Gear 6729
Cessna 182 182L 18258506 18259305 1 Nose Gear Strut When Equipped with Heavy Duty Gear 6729
Cessna 182 182M 18259306 18260055 1 Nose Gear Strut When Equipped with Heavy Duty Gear 6729
Cessna 182 182N 18260056 18260825 1 Nose Gear Strut When Equipped with Heavy Duty Gear 6729
Cessna 206 P206B P206-0307 P206-0419 1 Nose Gear Strut When equipped with heavy landing gear 6729
Cessna 206 P206C P206-0420 P206-0519 1 Nose Gear Strut When equipped with heavy landing gear 6729
Cessna 206 P206D P206-0520 P206-0603 1 Nose Gear Strut When equipped with heavy landing gear 6729
Cessna 206 P206E P20600604 P20600647 1 Nose Gear Strut When equipped with heavy landing gear 6729
Cessna 206 TP206B P206-0307 P206-0419 1 Nose Gear Strut When equipped with heavy landing gear 6729
Cessna 206 TP206C P206-0420 P206-0519 1 Nose Gear Strut When equipped with heavy landing gear 6729
Cessna 206 TP206D P206-0520 P206-0603 1 Nose Gear Strut When equipped with heavy landing gear 6729
Cessna 206 TP206E P20600604 P20600647 1 Nose Gear Strut When equipped with heavy landing gear 6729
Cessna 206 TU206B U206-0657 U206-0914 1 Nose Gear Strut When equipped with heavy landing gear 6729
Cessna 206 TU206C U206-0915 U206-1234 1 Nose Gear Strut When equipped with heavy landing gear 6729
Cessna 206 TU206D U206-1235 U206-1444 1 Nose Gear Strut When equipped with heavy landing gear 6729
Cessna 206 TU206E U20601445 U20601700 1 Nose Gear Strut When equipped with heavy landing gear 6729
Cessna 206 TU206F U20601701 U20602199 1 Nose Gear Strut When equipped with heavy landing gear 6729
Cessna 206 U206B U206-0657 U206-0914 1 Nose Gear Strut When equipped with heavy landing gear 6729
Cessna 206 U206C U206-0915 U206-1234 1 Nose Gear Strut When equipped with heavy landing gear 6729
Cessna 206 U206D U206-1235 U206-1444 1 Nose Gear Strut When equipped with heavy landing gear 6729
Cessna 206 U206E U20601445 U20601700 1 Nose Gear Strut When equipped with heavy landing gear 6729
Cessna 206 U206F U20601701 U20602199 1 Nose Gear Strut When equipped with heavy landing gear 6729

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Product Details

Torque Link Stop Lugs and Safety Plate
Replace worn out stop lugs to reduce drag? Really?

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

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.
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.
WARNING: Cancer and/or Reproductive Harm - www.P65warnings.ca.gov

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