NSN 1240-00-531-3719
Part Details | OPTICAL INSTRUMENT WINDOW
1240-00-531-3719 A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. This item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.
Alternate Parts: MIL2041, 1073812, 1073812, 1240-00-531-3719, 00-531-3719, 1240005313719, 005313719
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1963 | 00-531-3719 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-531-3719
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MIL2041 | 06175 | BAUSCH & LOMB INC |
| 1073812 | 14001 | GRAYCO OPTICAL CORP |
| 1073812 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 1240-00-531-3719
| Characteristic | Specifications |
|---|---|
| REFRACTION INDEX | 1.5230 NOMINAL |
| DISPERSION | 58.600 ANGSTROMS NOMINAL |
| POLISHED SURFACE | ONE |
| DIFFUSION PRODUCING SURFACE | ONE |
| POLISHED PERIPHERY | NOT PROVIDED |
| DIAMETER | 25.200 MILLIMETERS MINIMUM AND 25.400 MILLIMETERS MAXIMUM |
| THICKNESS | 2.800 MILLIMETERS MINIMUM AND 3.200 MILLIMETERS MAXIMUM |
| FSC APPLICATION DATA | TELESCOPE,STRAIGHT |
