NSN 6650-01-285-3385
Part Details | OPTICAL ELEMENT RETAINING RING
6650-01-285-3385 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: 5525872, 6650-01-285-3385, 01-285-3385, 6650012853385, 012853385
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | SEP 10, 1988 | 01-285-3385 | 22585 ( RING, RETAINING, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6650-01-285-3385
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5525872 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 6650-01-285-3385
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY |
| THREAD LOCATION | EXTERNAL |
| THREAD SIZE | 1 23/32-20 |
| SCREW THREAD SERIES DESIGNATOR | UNS |
| THREAD CLASS | 3A |
| THREAD PITCH DIAMETERS | +1.6826 TO +1.6862 INCHES |
| THREAD LENGTH | 0.250 INCHES |
| OUTSIDE DIAMETER | 1.719 INCHES NOMINAL |
| SPECIAL FEATURES | 125 MICROINCH SURFACE FINISH |