NSN 1240-01-057-9178 010579178
Product Details | OPTICAL INSTRUMENT LENS
1240-01-057-9178 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.20258550055Night Vision Equipment, Emitted and Reflected Radiation66500063Optical Instruments, Test Equipment, Components and Accessories
Part Alternates: 010579178
Fire Control Equipment | Optical Sighting and Ranging Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | 01-057-9178 | 21884 ( LENS, OPTICAL INSTRUMENT ) |
Drawings & Photos | NSN 1240-01-057-9178
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Technical Data | NSN 1240-01-057-9178
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE C |
| SINGLE LENS STYLE | D2 PLANO-CONVEX |
| DIAMETER | 1.097 INCHES MINIMUM AND 1.100 INCHES MAXIMUM |
| AXIAL THICKNESS | ANY ACCEPTABLE |
| EQUIVALENT FOCAL LENGTH | 2.420 INCHES |
| BACK FOCAL LENGTH | 2.330 INCHES |
| MANUFACTURERS CODE | 19200 |
| DESIGN CONTROL REFERENCE | 11746835 |
Restrictions/Controls & Freight Information | NSN 1240-01-057-9178
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||