3M 31156 Copper 2-Hole Long Barrel Lug
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Manufacturer 3M
Mfg Catalog # 31156
Irby Part # 22723


The 3M Scotchlok Copper Two Hole Long Barrel Lug 31156 is used on copper conductors only. It is constructed of one-piece, seamless, high-conductivity copper.


  • Inside Diameter: 0.7 Inch
  • Pad Width (metric): 33.4 mm
  • RoHS 2011/65/EU Compliant: Yes
  • Outside Diameter: 0.87 Inch
  • Pad Length (metric): 76.2 mm
  • Center of Hole to End of Pad (metric): 16.0 mm
  • Lug Base Metal: Copper
  • Inside Diameter (metric): 17.8 mm
  • RoHS EU Comments: RoHS 2011/65/EU compliant without exemption
  • Barrel Style: Long Barrel
  • Center of Hole to Center of Hole (metric): 44.5 mm
  • Length: 5.75 Inch
  • For Use With: Copper Conductor Only
  • Length (Metric): 146.1 mm
  • Barrel Length: 1.94 Inch
  • Barrel Length (metric): 49.2 mm
  • Conductor Sizes: 350 kcmil
  • Stud Sizes: 1/2 Inch
  • Trademark: Scotchlok
  • Pad Length: 3 Inch
  • Pad Width: 1.31 Inch
  • Center of Hole to End of Pad: 0.63 Inch
  • Number of Holes: 2
  • Center of Hole to Center of Hole: 1.75 Inch
  • Outside Diameter (metric): 22.1 mm
  • Color: Red



UPC 05400712667
GTiN 00054007126676
Length 5.75 in
Color Red
Barrel Type Long Barrel
Stud Size 1/2 in
Conductor Size 350 MCM
Applications Copper Conductor Only
Capacity 2
Family Brand Name 3M
Barrel Length 1.94 in
Inside Diameter 0.7 in
Sub Brand Scotchlok

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