649-302-101-0

NUT
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About this product
The 649-302-101-0 is a hex-style aircraft nut manufactured from heat-treated steel alloy and finished with a corrosion-resistant coating. Featuring precision threads and a built-in nylon locking insert, it provides reliable clamp force in structural and secondary assemblies. Supplied with full EASA Form 1 paperwork, it meets traceability requirements for certified aircraft maintenance.
649-302-101-0 Datasheet
UOM: EA
Hazardous Item: Non-Hazardous Item
Lead Time: Stock
Certification: EASA Form 1
8130/EASA Eligible: Yes
PRODUCT DESCRIPTION

649-302-101-0

  • Heat-Treated Alloy Steel: High strength to hold critical joints through flight-load cycles.

  • Corrosion-Resistant Coating: Protects against moisture, fuels, oils, and routine cleaning fluids.

  • Nylon Locking Insert: Locks onto bolt threads to resist loosening under vibration.

  • Precision Machined Threads: Smooth engagement and consistent torque values without cross-threading.

  • Secures bolt ends on primary spar splice fittings during structural assembly.

  • Locks clevis bolts under the cyclic loads of gear extension and retraction.

  • Retains studs on engine-to-airframe mounts during ground run-ups.

  • Holds hinge-pin bolts in aileron and elevator assemblies under aerodynamic force.


  • What torque value is recommended?

Torque to the aircraft manufacturer’s spec, typically around 8–10 Nm, using a calibrated wrench.

  •  Can I reuse the nut after removal?

It’s best practice to install a new nut to ensure full locking performance each time.

  • What temperatures can this nut withstand?

It maintains its locking ability from well below freezing up to typical engine-bay and ambient operating temperatures.


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