NSN 1240-00-197-1755
Part Details | OPTICAL ELEMENT CELL
1240-00-197-1755 A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. Includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.
Alternate Parts: 8289225, 1240-00-197-1755, 00-197-1755, 1240001971755, 001971755
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JUN 19, 1970 | 00-197-1755 | 21859 ( CELL, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-197-1755
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8289225 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-197-1755
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 2024 |
| THREAD LOCATION | EXTERNAL AND INTERNAL |
| THREAD SIZE | A1-11/16 IN.-32$$A1-21/32 IN.-32 |
| SCREW THREAD SERIES DESIGNATOR | UNS AND UNS |
| THREAD CLASS | A2A$$A2B |
| THREAD LENGTH | 0.156 INCHES AND 0.187 INCHES |
| ECCENTRIC CONSTRUCTION | NOT PROVIDED |
| CHAMFER LOCATION | BOTH ENDS |
| CHAMFER SIZE | 1/32 IN. BY 45 DEG |
| DRIVE TYPE | DRILLED FACE |
| ELEMENT SECURING METHOD | THREADED RING |
| OVERALL LENGTH | 1.900 INCHES NOMINAL |
| OVERALL DIAMETER | 1.811 INCHES NOMINAL |
