NSN 6650-00-789-8178
Part Details | OPTICAL ELEMENT RETAINING RING
6650-00-789-8178 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: 2493663, 2493663, 6650-00-789-8178, 00-789-8178, 6650007898178, 007898178
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1962 | 00-789-8178 | 22585 ( RING, RETAINING, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6650-00-789-8178
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2493663 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 2493663 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 6650-00-789-8178
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY |
| THREAD LOCATION | EXTERNAL |
| OUTSIDE DIAMETER | 3.250 INCHES NOMINAL |
| INTERNAL FLANGE THICKNESS | 0.156 INCHES NOMINAL |
| APERTURE DIAMETER | 2.812 INCHES NOMINAL |
| MOUNTING CONFIGURATION | THREADED ON OUTSIDE DIA WITH 48NS-2A THD |
| FSC APPLICATION DATA | RADIO AND TELEVISION COMMUNICATIONS EQUIPMENT,NON-AIRBORNE |