The CRYSTAL UNIT,QUARTZ is a Hama industrial component. Key specifications include length: 0.438 INCHES NOMINAL SQUARE END IN, material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, thread_class: 3B, thread_length: 1.810 INCHES MINIMUM IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-062-3978, 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.
| length | 0.438 INCHES NOMINAL SQUARE END IN |
| material | STEEL OVERALL |
| nut_style | HEXAGON |
| nut_height | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| thread_class | 3B |
| thread_length | 1.810 INCHES MINIMUM IN |
| thread_series | UNF |
| flute_quantity | 4 |
| overall_length | 3.375 INCHES NOMINAL IN |
| shank_diameter | 0.480 INCHES MINIMUM IN |
| style_designator | STRAIGHT FLUTE |
| thread_direction | RIGHT-HAND |
| NSN | 5310-00-062-3978 |
| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL NUT |
| WIDTH ACROSS FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| THREAD SERIES | UNF |
| MATERIAL | STEEL OVERALL |
| BEARING SURFACE TYPE | WASHER FACED |
| THREAD DIRECTION | RIGHT-HAND |
| NUT COUNTERBORE DEPTH | 0.010 INCHES MINIMUM AND 0.030 INCHES MAXIMUM NUT IN |
| THREAD QUANTITY PER INCH | 20 |
| BEARING SURFACE FINISH | 125.0 MICROINCHES |
| NOMINAL THREAD SIZE | 0.438 INCHES IN |