Size (CM)：17.5*12*4

Weight (KG)：0.25

MS21913W4 is a NAS-standard precision positioning locating pin categorized under aviation maintenance tools, developed specifically for alignment and temporary fastening tasks during regional jet and business jet structural maintenance and component replacement. This specialized tool strictly conforms to Aerospace Standard (NAS) dimensional and material specifications, with controlled tolerance matching common aerospace assembly requirements, delivering consistent positioning accuracy for commercial airline and MRO (Maintenance, Repair and Overhaul) workshop workflows.

Manufactured from heat-treated high-strength alloy steel with cadmium-free anti-corrosion plating, MS21913W4 maintains excellent mechanical strength and fatigue resistance under repeated daily use, fully meeting FAA-mandated material and performance requirements for aviation maintenance tooling. Its ergonomic compact knurled handle provides a non-slip, comfortable grip for technicians, reducing setup time and improving the overall efficiency of on-wing structural maintenance tasks.