NSN 1240-00-302-1312
Part Details | OPTICAL ELEMENT RETAINING RING
1240-00-302-1312 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: 8200195, 1240-00-302-1312, 00-302-1312, 1240003021312, 003021312
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1963 | 00-302-1312 | 22585 ( RING, RETAINING, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-302-1312
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8200195 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-302-1312
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 2024 |
| THREAD LOCATION | INTERNAL |
| THREAD SIZE | 1 3/4-32 |
| SCREW THREAD SERIES DESIGNATOR | UNS |
| THREAD CLASS | 3B |
| THREAD PITCH DIAMETERS | +1.7162 TO +1.7500 INCHES |
| THREAD LENGTH | 0.158 INCHES |
| THREAD DIRECTION | RIGHT-HAND |
| OVERALL LENGTH | 0.192 INCHES NOMINAL |
| OUTSIDE DIAMETER | 2.005 INCHES NOMINAL |
| INTERNAL FLANGE THICKNESS | 0.158 INCHES NOMINAL |
| APERTURE DIAMETER | 1.750 INCHES NOMINAL |
| MOUNTING CONFIGURATION | SIX 0.070 IN. DIA BY 0.073 IN. DEEP MOUNTING HOLES |
| END ITEM IDENTIFICATION | RANGEFINDER |
