NSN 6650-00-382-1923
Part Details | OPTICAL INSTRUMENT LENS
6650-00-382-1923 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: LD172592GP4, LD172592PC4, LD172592GP4, LD172592PC4, 6650-00-382-1923, 00-382-1923, 6650003821923, 003821923
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
66 | JAN 01, 1963 | 00-382-1923 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-382-1923
Part Number | Cage Code | Manufacturer |
---|---|---|
LD172592GP4 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
LD172592PC4 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
LD172592GP4 | 53711 | NAVAL SEA SYSTEMS COMMAND |
LD172592PC4 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 6650-00-382-1923
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 MENISCUS DIVERGING |
DIAMETER | 0.547 INCHES NOMINAL |
AXIAL THICKNESS | 0.205 INCHES NOMINAL AND 0.039 INCHES NOMINAL |
COMPOUND LENS OVERALL AXIAL THICKNESS | 0.244 INCHES NOMINAL |
COMPOUND LENS EDGE THICKNESS | 0.158 INCHES NOMINAL |
EQUIVALENT FOCAL LENGTH | 1.094 INCHES |
BACK FOCAL LENGTH | 1.094 INCHES |
FRONT FOCAL LENGTH | 0.933 INCHES |
REFRACTION INDEX | 1.5170 NOMINAL AND 1.6210 NOMINAL |
ABBE CONSTANT | B64.300$$B36.600 |
FSC APPLICATION DATA | FIRE CONTROL,AUX TELESCOPE,MK1 |