| COHERENT AEROSPACE & DEFENSE, INC. | |
| DISCONTINUED W/O REPLACEMENT,FORMERLY FSC 1270,FORMERLY FSC 1280,DISCONTINUED WITHOUT REPLACEMENT,FORMERLY 1270,FORMERLY 1280 | |
| 9018.50.0000 | |
| 9.050 INCHES NOMINAL | |
| 0.376 INCHES MAXIMUM | |
| FINE GROUND | |
| BOTH | |
| PROVIDED | |
| 45.000 NOMINAL | |
| GLASS OPTICAL | |
| MIL-G-174, GRADE B, TYPE 517-642 MIL SPEC SINGLE MATERIAL RESPONSE |
