NSN 1270-01-171-6931
Part Details | OPTICAL ELEMENT CELL
1270-01-171-6931 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: 13074828, 13074828, 1270-01-171-6931, 01-171-6931, 1270011716931, 011716931
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | FEB 11, 1984 | 01-171-6931 | 21859 ( CELL, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1270-01-171-6931
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 13074828 | 04939 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 13074828 | 58260 | PROGRAM MANAGER ADVANCED ATTACKHELICOPTER BARCOM AMCPM-AAH |
Technical Data | NSN 1270-01-171-6931
| Characteristic | Specifications |
|---|---|
| THREAD LOCATION | EXTERNAL |
| THREAD SIZE | 1 7/16-28 |
| SCREW THREAD SERIES DESIGNATOR | UN |
| THREAD CLASS | 2A |
| THREAD PITCH DIAMETERS | +1.4127 TO +1.4130 INCHES |
| THREAD LENGTH | 0.320 INCHES |
| THREAD DIRECTION | RIGHT-HAND |
| ECCENTRIC CONSTRUCTION | NOT PROVIDED |
| CHAMFER LOCATION | DRIVE END |
| CHAMFER SIZE | 0.020 IN.BY 45 DEG |
| DRIVE TYPE | SLOTTED DRIVE ON PERIPHERY |
| ELEMENT SECURING METHOD | RETAINER RING |
| OVERALL LENGTH | 0.340 INCHES NOMINAL |
| OVERALL DIAMETER | 1.438 INCHES NOMINAL |
