NSN 6650-00-382-1807
Part Details | OPTICAL INSTRUMENT LENS
6650-00-382-1807 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: 248578PC67, 248578PC6-7, LD133777ITEM4, 248578PC67, 248578PC6-7, LD133777ITEM4, 6650-00-382-1807, 00-382-1807, 6650003821807, 003821807
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-382-1807 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-382-1807
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 248578PC6-7 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| LD133777ITEM4 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 248578PC6-7 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| LD133777ITEM4 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 6650-00-382-1807
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS OPTICAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE |
| COMPOUND LENS STYLE | DOUBLET |
| INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND DOUBLE CONCAVE |
| DIAMETER | 1.772 INCHES NOMINAL |
| AXIAL THICKNESS | 0.295 INCHES NOMINAL AND 0.150 INCHES NOMINAL |
| COMPOUND LENS OVERALL AXIAL THICKNESS | 0.4448 INCHES NOMINAL |
| COMPOUND LENS EDGE THICKNESS | 0.424 INCHES NOMINAL |
| ELEMENT LEFT SURFACE RADIUS | -2.795 INCHES AND 4.331 INCHES |
| ELEMENT RIGHT SURFACE RADIUS | -2.795 INCHES AND 10.018 INCHES |
| EQUIVALENT FOCAL LENGTH | 17.276 INCHES |
| BACK FOCAL LENGTH | 16.640 INCHES |
| FRONT FOCAL LENGTH | 17.652 INCHES |
| REFRACTION INDEX | 1.6110 NOMINAL AND 1.6660 NOMINAL |
| ABBE CONSTANT | B58.800$$B32.400 |
| FSC APPLICATION DATA | 1. OPTICAL SIGHTING RANGING EQUIPMENT |