NSN 1270-01-172-2221
Part Details | OPTICAL ELEMENT CELL
1270-01-172-2221 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: 13075703, 13075703, 1270-01-172-2221, 01-172-2221, 1270011722221, 011722221
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | FEB 16, 1984 | 01-172-2221 | 21859 ( CELL, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1270-01-172-2221
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 13075703 | 04939 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 13075703 | 58260 | PROGRAM MANAGER ADVANCED ATTACKHELICOPTER BARCOM AMCPM-AAH |
Technical Data | NSN 1270-01-172-2221
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 6061 |
| THREAD LOCATION | INTERNAL |
| THREAD SIZE | 1 5/16-40 |
| SCREW THREAD SERIES DESIGNATOR | UNS |
| THREAD CLASS | 2B |
| THREAD PITCH DIAMETERS | +1.2963 TO +1.3010 INCHES |
| THREAD LENGTH | 0.258 INCHES |
| THREAD DIRECTION | RIGHT-HAND |
| ECCENTRIC CONSTRUCTION | PROVIDED |
| CHAMFER LOCATION | THREADED END |
| CHAMFER SIZE | 0.020 IN.BY 45 DEG |
| OVERALL LENGTH | 0.735 INCHES NOMINAL |
| OVERALL DIAMETER | 1.940 INCHES NOMINAL |
