NSN 1240-00-520-4660
Part Details | OPTICAL ELEMENT RETAINING RING
1240-00-520-4660 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: 5204660, 1240-00-520-4660, 00-520-4660, 1240005204660, 005204660
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1960 | 00-520-4660 | 22585 ( RING, RETAINING, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-520-4660
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5204660 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-520-4660
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL CORROSION RESISTING |
| THREAD LOCATION | INTERNAL |
| OUTSIDE DIAMETER | 2.527 INCHES MINIMUM AND 2.529 INCHES MAXIMUM |
| INTERNAL FLANGE THICKNESS | 0.219 INCHES NOMINAL |
| INNER GROOVE WIDTH | 0.062 INCHES NOMINAL |
| GROOVE DIAMETER | 2.406 INCHES NOMINAL |
| APERTURE DIAMETER | 2.2619 INCHES MINIMUM AND 2.2649 INCHES MAXIMUM |
| GROOVE LOCATION | ADJACENT TO INTERNAL FLANGE |
| MOUNTING CONFIGURATION | 2.292-36NS-3B INTERNAL THEADS AROUND APERTURE |
