Jan van Haasteren Junior introduces children as young as 5 years to the absurd world of these famous puzzles. They take their first steps into the humorous illustrations of Jan van Haasteren and make progress with different piece counts and difficulty levels. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-144-8869, indicating validated use in U.S.
government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
| guide | NOT INCLUDED |
| shape | RECTANGULAR |
| width | 0.654 INCHES NOMINAL IN |
| diameter | 4.375 INCHES NOMINAL IN |
| material | STEEL COMP 1010 NUT |
| gear_type | BEVEL |
| nut_style | PLAIN WELDING |
| flute_type | INTEGRAL |
| nut_length | 0.625 INCHES NOMINAL IN |
| shank_type | MORSE TAPER |
| reamer_type | JOBBERS |
| flute_design | STRAIGHT |
| NSN | 3110-00-144-8869 |