NSN 6650-01-170-4380
Part Details | OPTICAL INSTRUMENT LENS
6650-01-170-4380 An unmounted, transparent, color free lens which may be treated with a low reflection coating to increase light transmission. Includes single and compound elements. For items having two plane parallel surfaces, see WINDOW, OPTICAL INSTRUMENT. Excludes RETICLE, OPTICAL INSTRUMENT.
Alternate Parts: 13074889, 13074889, 6650-01-170-4380, 01-170-4380, 6650011704380, 011704380
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 24, 1984 | 01-170-4380 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
PLANO-CONCAVE
PLANO-CONCAVE
Cross Reference | NSN 6650-01-170-4380
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 13074889 | 04939 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 13074889 | 58260 | PROGRAM MANAGER ADVANCED ATTACKHELICOPTER BARCOM AMCPM-AAH |
Technical Data | NSN 6650-01-170-4380
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS OPTICAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE A MIL SPEC SINGLE MATERIAL RESPONSE |
| SINGLE LENS STYLE | PLANO-CONCAVE |
| DIAMETER | 1.468 INCHES NOMINAL |
| AXIAL THICKNESS | 0.217 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | 6.491 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | 1.017 INCHES |
| REFRACTION INDEX | 1.6541 NOMINAL |
| ABBE CONSTANT | 39.630 |
