NSN 1240-00-179-6427
Part Details | OPTICAL ELEMENT RETAINING RING
1240-00-179-6427 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: 929C962P1, 1240-00-179-6427, 00-179-6427, 1240001796427, 001796427
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 17, 1969 | 00-179-6427 | 22585 ( RING, RETAINING, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-179-6427
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 929C962P1 | 89954 | BAE SYSTEMS CONTROLS INC. |
Technical Data | NSN 1240-00-179-6427
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 6061 |
| OUTSIDE DIAMETER | 4.885 INCHES MINIMUM AND 4.895 INCHES MAXIMUM |
| INTERNAL FLANGE THICKNESS | 0.042 INCHES NOMINAL |
| APERTURE DIAMETER | 4.090 INCHES MINIMUM AND 4.110 INCHES MAXIMUM |
