Part Details | OPTICAL INSTRUMENT RETICLE
6650-00-157-4137 An item, usually made of glass, having fine wires or hairs, or etched or printed fine lines on a surface, and placed in the focal plane of an optical instrument to establish a reference point to the axis for the purpose of aiming, measuring, ranging, and the like. Excludes LENS, OPTICAL INSTRUMENT.
Alternate Parts: 203034PC8, G8110PC8, 203034PC8, 203034PC8, 6650-00-157-4137, 00-157-4137, 6650001574137, 001574137
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-157-4137 | 21883 ( RETICLE, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
CROSSLINE
Cross Reference | NSN 6650-00-157-4137
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 203034PC8 | 14001 | GRAYCO OPTICAL CORP |
| G8110PC8 | 74067 | KEUFFEL AND ESSER CO |
| 203034PC8 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 203034PC8 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 6650-00-157-4137
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS |
| STYLE DESIGNATOR | CROSSLINE |
| GRADUATIONS/MARKINGS | CROSS LINE |
| REFRACTION INDEX | 1.5838 NOMINAL |
| DISPERSION | 46.0 ANGSTROMS NOMINAL |
| AXIAL THICKNESS | 5.0 MILLIMETERS NOMINAL |
| DIAMETER | 30.0 MILLIMETERS NOMINAL |
| CONVEX SURFACE RADIUS | 22.1 MILLIMETERS |
| RIM FINISH | GROUND |
| SUPPLEMENTARY FEATURES | MATERIAL: GLASS, BARIUM FLINT |
| END ITEM IDENTIFICATION | RANGEFINDER MK42 |