NSN 1240-00-133-5849
Part Details | OPTICAL INSTRUMENT WINDOW
1240-00-133-5849 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: 1723, 10555970, 1240-00-133-5849, 00-133-5849, 1240001335849, 001335849
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | DEC 30, 1968 | 00-133-5849 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-133-5849
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1723 | 14674 | CORNING GLASS WORKS |
| 10555970 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-133-5849
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS |
| REFLECTION REDUCING SURFACE | BOTH |
| POLISHED PERIPHERY | NOT PROVIDED |
| DIAMETER | 3.120 INCHES MINIMUM AND 3.125 INCHES MAXIMUM |
| THICKNESS | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
| BEVEL ANGLE IN DEG | 42.000 MINIMUM AND 48.000 MAXIMUM |
| BEVEL DEPTH | 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
| FSC APPLICATION DATA | COLLIMATOR,INFINITY AIMING REFERENCE |
