NSN 1240-00-157-9673
Part Details | OPTICAL ELEMENT CELL
1240-00-157-9673 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: 232727, 4812944, 481294-4, 1240-00-157-9673, 00-157-9673, 1240001579673, 001579673
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1963 | 00-157-9673 | 21859 ( CELL, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-157-9673
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 232727 | 56232 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 481294-4 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 1240-00-157-9673
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY |
| THREAD LOCATION | EXTERNAL AND INTERNAL |
| THREAD SIZE | A1 3/4-32$$A1 1/2-32 |
| SCREW THREAD SERIES DESIGNATOR | UNS |
| THREAD LENGTH | 0.697 INCHES AND 0.594 INCHES |
| THREAD DIRECTION | RIGHT-HAND AND RIGHT-HAND |
| ECCENTRIC CONSTRUCTION | NOT PROVIDED |
| CELL ECCENTRICITY FROM GEOMETRIC AXIS | 0.001 INCHES |
| CHAMFER LOCATION | BOTH ENDS |
| DRIVE TYPE | DRILLED HOLE ON PERIPHERY |
| ELEMENT SECURING METHOD | INTERNAL THREAD |
| OVERALL LENGTH | 1.651 INCHES MINIMUM AND 1.661 INCHES MAXIMUM |
| OVERALL DIAMETER | 1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM |
| END ITEM IDENTIFICATION | GUN SIGHT MK15 |
