NSN 1240-01-078-8279
Part Details | OPTICAL ELEMENT RETAINING RING
1240-01-078-8279 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: 12266763, 1240-01-078-8279, 01-078-8279, 1240010788279, 010788279
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JUN 20, 1979 | 01-078-8279 | 22585 ( RING, RETAINING, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-078-8279
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 12266763 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 1240-01-078-8279
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY |
| THREAD LOCATION | INTERNAL |
| THREAD SIZE | 4.812-32 |
| SCREW THREAD SERIES DESIGNATOR | UNS |
| THREAD CLASS | 2A |
| THREAD PITCH DIAMETERS | +4.7555 TO +4.7902 INCHES |
| THREAD LENGTH | 4.812 INCHES |
| THREAD DIRECTION | RIGHT-HAND |
| INTERNAL FLANGE THICKNESS | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM |