20655: SEMICONDUCTOR DEVICES,UNITIZED.
Can be configured for use with: - Half height hard drives - Low profile hard drives - Half height 5.25" drives - 3.5" tape drives - Plastic housing with metal internal frame - Supplied front panels: 1 x blank plate, 1 x 5.25" CD/DVD Drive aperture, 1 x 3.5" Tape Drive aperture - Front mounted power switch - Stackable design - can be mounted vertically or horizontally - SCSI ID address selector and SCSI termination switch - Built-in cooling fan This part is cataloged in the U.S. Government catalog under NSN 5305-00-012-0221, indicating validated use in U.S. government and defense logistics supply chains.
| length | 55.5 MILLIMETERS NOMINAL MM |
| material | CERAMIC ENCLOSURE |
| end_style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| head_style | FILLISTER COUNTERSUNK |
| point_type | CONVENTIONAL |
| head_height | 0.051 INCHES NOMINAL IN |
| load_rating | 3.600 POUNDS MINIMUM AND 4.100 POUNDS MAXIMUM LBS |
| point_angle | 118.0 DEGREES NOMINAL |
| shank_style | STRAIGHT ROUND |
| flute_length | 0.750 INCHES NOMINAL IN |
| thread_class | 2A A |
| coil_quantity | 13-1/2 |
| NSN | 5305-00-012-0221 |
| HEAD HEIGHT | 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN |
| SCREW SURFACE TREATMENT | CADMIUM OR ZINC |
| FASTENER LENGTH | 0.500 INCHES NOMINAL IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633 FED SPEC ALL MATERIAL RESPONSES |
| THREAD LENGTH | 0.500 INCHES NOMINAL IN |
| NOMINAL THREAD DIAMETER | 0.190 INCHES IN |
| HEAD STYLE | ROUND |
| THREAD DIRECTION | RIGHT-HAND |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1S STYLE |
| SCREW MATERIAL | STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 |