The part number 42.006.034 is sold across the market under several closely related names, including Blanket Lock Claw, Blanket Bar Lock, Blanket Lock, Leaf Spring, and Lock Leaf. Based on repeated supplier usage, the clearest industry wording for a catalog listing is Heidelberg Blanket Lock Claw / Leaf Spring 42.006.034, since both terms appear consistently in active parts listings.
The exact part number confirmed is 42.006.034. During research, I also found related references including 42.006.034/03, 42.006.033F, and the cross-reference style code G2.006.038 or G2.006.038/01. The evidence suggests these are associated family or paired references rather than universally interchangeable replacements, so they should be mentioned carefully and verified technically before sale.
For documented compatibility, multiple supplier listings connect 42.006.034 to SM52, PM52, GTO52, and MO presses. Some listings also group it near GTO46 through paired references with 42.006.033F, but that linkage is less direct for the exact base number, so I would not state GTO46 as confirmed compatibility without machine-side verification.
Technical Specifications
Product name: Heidelberg Blanket Lock Claw / Leaf Spring
Part number: 42.006.034
Related code found online: G2.006.038 / G2.006.038/01
Related references found: 42.006.034/03, 42.006.033F
Common machine references found: SM52, PM52, GTO52, MO
Typical material listed by suppliers: Iron / steel-type spring component
Typical function: blanket clamp / blanket lock retention component in the printing unit
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