NAS1130-02L20D - Screw Threaded Insert by Helicoil Stanley Engineered Fastening

The Heli-Coil NAS1130-02L20D by Stanley Engineered Fastening is a military-standard tangless screw-locking insert engineered to form high-strength internal threads in soft parent metals like aluminum and magnesium. Precision cold-rolled from premium 304 stainless steel wire with a uniform diamond-shaped cross-section, this miniature wire thread insert features a tangless bi-directional design that completely eliminates installation tangs, eradicating foreign object debris (FOD) risks in sensitive aerospace and electronic assemblies. Its advanced screw-locking configuration incorporates a series of straight chord segments on the internal coils that exert a resilient, self-locking torque on the mating bolt. Treated with a specialized dry film lubricant, it reduces friction during seating and safeguards fine #2-56 hardware joints against rotational loosening, galling, and thread wear under severe vibration.

Tangless Bi-Directional Design Eliminates installation tangs to prevent foreign object debris (FOD) issues, allowing rapid installation and non-destructive adjustment from either end.

Screw-Locking Mechanism Grips the male bolt or screw with a series of specialized straight segments on the internal coils, ensuring a secure, vibration-proof joint without requiring lock-washers or auxiliary locking devices.

Dry Film Lubricant Coating Provides a protective, low-friction surface finish that reduces seating torque and prevents thread galling during fastener installation.

Military Specification Certified Manufactured to strict NAS1130 standards, guaranteeing consistent performance and dimensional accuracy in mission-critical hardware assemblies.