NSN 1240-00-210-4395
Part Details | OPTICAL ELEMENT RETAINING RING
1240-00-210-4395 A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see RETAINER, OPTICAL ELEMENT. Excludes CELL, OPTICAL ELEMENT; NUT, PLAIN KNURLED; NUT, PLAIN ROUND; and RING, RETAINING.
Alternate Parts: 789PC3, 789PC3, 1390117, 1240-00-210-4395, 00-210-4395, 1240002104395, 002104395
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1963 | 00-210-4395 | 22585 ( RING, RETAINING, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-210-4395
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 789PC3 | 02622 | AMERICAN OPTICAL CO |
| 789PC3 | 78039 | LEICA INCSURVEYING AND PHOTOGRAMMETRY SYSTEMS |
| 1390117 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 1240-00-210-4395
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY |
| THREAD LOCATION | INTERNAL |
| THREAD LENGTH | 0.495 INCHES |
| THREAD DIRECTION | RIGHT-HAND |
| OVERALL LENGTH | 0.759 INCHES MINIMUM AND 0.765 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 1.828 INCHES MINIMUM AND 1.829 INCHES MAXIMUM |
| INTERNAL FLANGE THICKNESS | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| APERTURE DIAMETER | 1.451 INCHES MINIMUM AND 1.457 INCHES MAXIMUM |
| MOUNTING CONFIGURATION | THREE 0.063 IN. DIA LOCK SCREWS |
| END ITEM IDENTIFICATION | TELESCOPE |
