NSN 1240-01-497-4402
Part Details | OPTICAL INSTRUMENT WINDOW
1240-01-497-4402 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: 5612977, 1240-01-497-4402, 01-497-4402, 1240014974402, 014974402
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | MAY 20, 2002 | 01-497-4402 | 10908 ( WINDOW, OPTICAL INSTRUMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-497-4402
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5612977 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 1240-01-497-4402
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS OPTICAL |
| POLISHED PERIPHERY | NOT PROVIDED |
| DIAMETER | 34.0 MILLIMETERS NOMINAL |
| THICKNESS | 14.9 MILLIMETERS MINIMUM AND 15.1 MILLIMETERS MAXIMUM |
| SPECIAL FEATURES | TWO LENS PIECES BONDED TOGETHER. CONVEX RADII ARE 30.5 MM AND 38.0 MM MAX. |
| END ITEM IDENTIFICATION | FC33 ELECTRICAL AND ELECTRONICS ADAPTER ASSY PN 5612561; PERISCOPE. |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | EYEPIECE, EL-3, DOUBLET |