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Heyco® Multi-Lockit™
Strain Relief Bushing

For Round and Flat Cables

  • Part Numbers and Specifications
  • Features
UL Type AWG/
Approximate Size Mounting
Hole Size
Thickness Black
in. mm. in. mm. in. mm.
Round Cable 18/3 .250 6,4 1.142 x 1.142 29,0 x 29,0 .032 0,8 1843 LSR1939-300 CAD
Flat Cable
.173 x .380 4,39 x 9,65

Standard color black. Consult Heyco for white and other colors.

  • Assembly friendly! Independent of insertion into the panel, Lockit™ Strain Reliefs self-lock onto the cable. Preassemble off line for final assembly at a later time or remote location, for lower installed cost!
  • Large mounting hole design allows passage of plugs or bulky assemblies during installation.
  • Passes the UL pull-out test requirements with or without panel support.
  • Protects the lifeline of your electric/electronic products by absorbing the forces of push and pull that may be exerted on the flexible power cord.
  • Rectangular design eliminates the possibility of part rotation under forces of twist.


Material   Nylon 6/6
Certifications ru Recognized under the Component Program of Underwriters' Laboratories File E15331
csa Certified by the Canadian Standards Association File 8919
Flammability Rating   94V-2
Temperature Range   -.04°F (-18°C) to 221°F (105°C)
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