NSN 1270-01-171-6926
Part Details | OPTICAL ELEMENT CELL
1270-01-171-6926 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: 13074694, 13074694, 1270-01-171-6926, 01-171-6926, 1270011716926, 011716926
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | FEB 11, 1984 | 01-171-6926 | 21859 ( CELL, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1270-01-171-6926
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 13074694 | 04939 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 13074694 | 58260 | PROGRAM MANAGER ADVANCED ATTACKHELICOPTER BARCOM AMCPM-AAH |
Technical Data | NSN 1270-01-171-6926
| Characteristic | Specifications |
|---|---|
| THREAD LOCATION | INTERNAL |
| THREAD SIZE | 1.850-40 |
| SCREW THREAD SERIES DESIGNATOR | UNS |
| THREAD CLASS | 2B |
| THREAD PITCH DIAMETERS | +1.8338 TO +1.8388 INCHES |
| THREAD LENGTH | 0.210 INCHES |
| THREAD DIRECTION | RIGHT-HAND |
| ECCENTRIC CONSTRUCTION | NOT PROVIDED |
| CHAMFER LOCATION | INTERNAL THREAD END |
| CHAMFER SIZE | 0.015 IN.BY 45 DEG |
| DRIVE TYPE | DRILLED HOLE ON PERIPHERY |
| ELEMENT SECURING METHOD | RETAINER RING |
| OVERALL LENGTH | 3.400 INCHES NOMINAL |
| OVERALL DIAMETER | 1.950 INCHES MINIMUM AND 1.960 INCHES MAXIMUM |
