| MATERIAL | PLASTIC |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTMD6778 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE |
| SHAPE | SQUARE |
| MOUNTING HOLE/SLOT QUANTITY | 3 |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| WIDTH | 3.74 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNC |
| LENGTH | 4.75 INCHES NOMINAL |
| MOUNTING HOLE DIAMETER | 0.250 INCHES NOMINAL ALL HOLES |
| CORNER CUT TYPE | ROUND |
| CORNER RADIUS | 0.25 INCHES NOMINAL |
| OVERALL HEIGHT | 5.94 INCHES NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | COVER ASSEMBLY, PROTECTIVE |