NSN 1240-01-073-1661
Part Details | OPTICAL ELEMENT RETAINING RING
1240-01-073-1661 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: 11507756, 11507756, 1240-01-073-1661, 01-073-1661, 1240010731661, 010731661
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | MAR 11, 1979 | 01-073-1661 | 22585 ( RING, RETAINING, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-073-1661
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 11507756 | 82577 | RAYTHEON COMPANYDBA RAYTHEON |
| 11507756 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 1240-01-073-1661
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 6061 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AQQ-A-225 TO 8, T6$AWW-T-700 TO 6, ALLOY 6061, T6 1ST MATERIAL RESPONSE |
| OUTSIDE DIAMETER | 1.487 INCHES MINIMUM AND 1.491 INCHES MAXIMUM |
| INTERNAL FLANGE THICKNESS | 0.018 INCHES NOMINAL |
| APERTURE DIAMETER | 1.290 INCHES NOMINAL |