Calmark/Birtcher Series 120 - Card Guide Part Numbering

When looking at Calmark/Birtcher card guide Series 120, the part numbers typically can break down into 6 sections. For example, V0120-600-3

V0 120 -600 -3
Material, Nylon 6/6 or 7 Basic Series Number Length Mounting Options Board Thickness Color Suffix
“V0” = to meet UL94V-0 120 series “-600” = 6.00" (152.4mm) for non-conductive (For lengths 7" or greater) “-3” = 0.094" (2.4mm) “Blank” - White
[blank] = to meet UL94V-2 “-XXX” = please use below length table “X” = No Mid-mounting hole [blank] = 0.063" (1.6mm) “XXX” = for other colors including black, brown, red, orange, yellow, green, blue, violet, grey
“C” = 10% Graphite Filled Polycarbonate. Meets UL94V-2 [blank] = Mid-mounting hole included

length table
120series

Applicable Part Numbers

V0120-600-3 V0120-600
1440-1048-ND 1440-1047-ND