Part Details | OPTICAL INSTRUMENT LENS
6650-00-073-0269 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: 8626213, 6650-00-073-0269, 00-073-0269, 6650000730269, 000730269
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
66 | JAN 01, 1963 | 00-073-0269 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE CONVEX
DOUBLE CONVEX
Cross Reference | NSN 6650-00-073-0269
Part Number | Cage Code | Manufacturer |
---|---|---|
8626213 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 6650-00-073-0269
Characteristic | Specifications |
---|---|
SINGLE LENS STYLE | DOUBLE CONVEX |
DIAMETER | 1.157 INCHES MINIMUM AND 1.160 INCHES MAXIMUM |
AXIAL THICKNESS | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
ELEMENT LEFT SURFACE RADIUS | 2.876 INCHES |
ELEMENT RIGHT SURFACE RADIUS | 2.876 INCHES |
EQUIVALENT FOCAL LENGTH | 2.371 INCHES |
BACK FOCAL LENGTH | 2.289 INCHES |
REFRACTION INDEX | 1.6170 NOMINAL |
ABBE CONSTANT | 54.900 |
FSC APPLICATION DATA | TELESCOPE PANORAMIC |