NSN 6650-00-504-9913
Part Details | OPTICAL INSTRUMENT LENS
6650-00-504-9913 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: DAD112730, 1240005049913, 5049913, 6650-00-504-9913, 00-504-9913, 6650005049913, 005049913
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
66 | JAN 01, 1963 | 00-504-9913 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLET
Cross Reference | NSN 6650-00-504-9913
Part Number | Cage Code | Manufacturer |
---|---|---|
DAD112730 | 35907 | DIRECTOR GENERAL LAND EQUIPMENTPROGRAM MANAGEMENT |
1240005049913 | A00AM | E.C.A ETABLISSEMENT CENTRALDESAPPROVISIONNEMENTS DES FORCES |
5049913 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-504-9913
Characteristic | Specifications |
---|---|
COMPOUND LENS STYLE | DOUBLET |
INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING |
DIAMETER | 0.719 INCHES NOMINAL |
AXIAL THICKNESS | 0.130 INCHES NOMINAL AND 0.064 INCHES NOMINAL |
COMPOUND LENS OVERALL AXIAL THICKNESS | 0.194 INCHES NOMINAL |
COMPOUND LENS EDGE THICKNESS | 0.171 INCHES NOMINAL |
ELEMENT LEFT SURFACE RADIUS | 2.446 INCHES |
ELEMENT RIGHT SURFACE RADIUS | 1.664 INCHES |
EQUIVALENT FOCAL LENGTH | 4.004 INCHES |
BACK FOCAL LENGTH | 3.911 INCHES |
REFRACTION INDEX | 1.5170 NOMINAL AND 1.6490 NOMINAL |
ABBE CONSTANT | B64.500$$B33.800 |
FSC APPLICATION DATA | PANORAMIC TELESCOPE,INTEGRATED WITH FIRE CONTROL EQUIPMENT |