External Type
Recommended for maximum torsional resistance.lw33-1
Internal Type
Recommended where appearance or snagging are prime considerations.lw33-2
  • Fit pipe diameters
  • Used with nuts having extreme internal diameters in relation to their O.D.’s

Typical Applications: Lamp and instrument board assemblies

External Type

Nominal
Washer
Size
Hole Dia. Min.Hole Dia. Max.Outside Dia. Min.Outside Dia. Max.ThicknessWCL Part
Number
Cross
Reference
1/80.4060.420.680.6950.035EXT-0375-01-0001120-01

Internal Type

Nominal
Washer
Size
Hole Dia. Min.Hole Dia. Max.Outside Dia. Min.Outside Dia. Max.ThicknessWCL Part
Number
Cross
Reference
3/80.4050.4150.6780.6920.022INT-0375-04-001220-04
3/80.410.4250.5950.6150.022INT-0375-08-001220-08
1/20.5450.560.7650.7850.025INT-0500-06-001224-06
1/20.5450.560.7650.7850.03INT-0500-10-001224-10
5/80.690.70.9450.9680.029INT-0625-03-001228-03
13/160.8320.8561.3651.3860.05INT-0812-00-001233-00