21137: PRINTED WIRING BOARD.
Mechanical gaming keyboard with quick responding GXT-White switches and full LED backlight - Quick responding GXT-White switches that last up to 50 million keystrokes - Dedicated Gaming mode for disabling the windows key and activating macro keys - Full LED backlight with enhanced per-key illumination - N-key rollover anti-ghosting. - 1000hz polling rate and 5 ms response time - On-board memory for programming 4 macro keys This part is cataloged in the U.S. Government catalog under NSN 3020-00-288-2291, indicating validated use in U.S.
government and defense logistics supply chains.
| material | ALUMINUM ALLOY |
| base_style | MOGUL SCREW |
| body_style | PLAIN, SOLID |
| bore_style | PLAIN BOTH ENDS |
| bulb_style | A (ARBITRARY DESIGNATION) |
| tooth_form | STANDARD |
| body_material | ALUMINUM ALLOY |
| bulb_diameter | 4.375 INCHES NOMINAL IN |
| overall_length | 9.375 INCHES MAXIMUM IN |
| pitch_diameter | 1.2500 INCHES NOMINAL IN |
| pressure_angle | 14.5000 DEGREES |
| spool_quantity | 2 |
| NSN | 3020-00-288-2291 |
| BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS IN |
| HUB NOMINAL DIAMETER | 0.500 INCHES FIRST END IN |
| TEETH QUANTITY | 60 |
| BODY STYLE | PLAIN, SOLID |
| BORE STYLE | PLAIN BOTH ENDS |
| MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END IN |
| NOMINAL OVERALL LENGTH | 0.375 INCHES IN |
| STYLE DESIGNATOR | PROTRUDING HUB |
| PITCH DIAMETER | 1.2500 INCHES NOMINAL IN |