Part Details | OPTICAL ELEMENT RETAINING RING
1240-00-328-5606 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: 10558952, 1240-00-328-5606, 00-328-5606, 1240003285606, 003285606
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | DEC 03, 1973 | 00-328-5606 | 22585 ( RING, RETAINING, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-328-5606
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 10558952 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-328-5606
| Characteristic | Specifications |
|---|---|
| MATERIAL | 4$DAL6061 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AWW-T-700 TO 3, T3$AWW-T-700 TO 6, T6$AQQ-A-200 TO 3, T4$AQQ-A-200 TO 8, 6061, T6$AQQ-A-225 TO 6, T4$AQQ-A-225 TO 8, ALLOY 6061, T6$AQQ-A-250 TO 4, T4$AQQ-A-250 TO 11, T6 1ST MATERIAL RESPONSE |
| OUTSIDE DIAMETER | 3.250 INCHES NOMINAL |
| INTERNAL FLANGE THICKNESS | 0.310 INCHES NOMINAL |
| INNER GROOVE WIDTH | 0.140 INCHES NOMINAL |
| GROOVE DIAMETER | 3.130 INCHES NOMINAL |
| APERTURE DIAMETER | 2.900 INCHES NOMINAL |
| GROOVE LOCATION | ADJACENT TO INTERNAL FLANGE |
| MOUNTING CONFIGURATION | 3 THREADED HOLES EQUALLY SPACED 120 DEG APART AROUND OUTSIDE DIA; 0.138-32UNC-2B |
| FSC APPLICATION DATA | COLLIMATOR |