| NORTHROP GRUMMAN SYSTEMS CORPORATION | |
| 0.250 INCHES NOMINAL | |
| 0.680 INCHES NOMINAL | |
| NOT RATED | |
| 2 THREADED HOLE | |
| FIRST COUNTERBORE UNC | |
| SECOND COUNTERBORE UNC | |
| 0.190 FIRST COUNTERBORE INCHES NOMINAL | |
| 0.190 SECOND COUNTERBORE INCHES NOMINAL | |
| 40 FIRST COUNTERBORE | |
| 40 SECOND COUNTERBORE | |
| 0.112 FIRST COUNTERBORE INCHES NOMINAL | |
| 0.112 SECOND COUNTERBORE INCHES NOMINAL | |
| 2B FIRST COUNTERBORE | |
| 2B SECOND COUNTERBORE | |
| OVERALL PLASTIC,L-P-509,TYPE 4,GRADE G-11 |
