|
|
|
National Stock Number:
6650-00-518-4996
Federal Supply Class:
6650
National Item Identification Number:
005184996
Description:
LENS,OPTICAL INSTRUMENT
Detail:
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.
|
Manufacturer Information:
| 5184996 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
|
Techincal Specification:
| ABBE CONSTANT | 64.500 | | AXIAL THICKNESS | 0.307 INCHES NOMINAL | | BACK FOCAL LENGTH | 2.647 INCHES | | COMPOUND LENS EDGE THICKNESS | 0.111 INCHES NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.307 INCHES NOMINAL | | DIAMETER | 1.467 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 2.751 INCHES | | FSC APPLICATION DATA | OBSERVATION INSTRUMENT,M1 | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX | | MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.5170 NOMINAL | | SINGLE LENS STYLE | DOUBLE CONVEX |
|
|