NSN 6650-01-258-0811
Part Details | OPTICAL ELEMENT RETAINING RING
6650-01-258-0811 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: 13076701, 13076701, 6650-01-258-0811, 01-258-0811, 6650012580811, 012580811
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JUN 27, 1987 | 01-258-0811 | 22585 ( RING, RETAINING, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6650-01-258-0811
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 13076701 | 04939 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 13076701 | 58260 | PROGRAM MANAGER ADVANCED ATTACKHELICOPTER BARCOM AMCPM-AAH |
Technical Data | NSN 6650-01-258-0811
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL |
| THREAD LOCATION | EXTERNAL |
| THREAD SIZE | 3 45/64-32 |
| SCREW THREAD SERIES DESIGNATOR | UNS |
| THREAD CLASS | 2A |
| THREAD PITCH DIAMETERS | +3.6603 TO +3.6986 INCHES |
| THREAD LENGTH | 0.200 INCHES |
| THREAD DIRECTION | RIGHT-HAND |
| OVERALL LENGTH | 0.780 INCHES NOMINAL |
| OUTSIDE DIAMETER | 3.700 INCHES NOMINAL |
| INTERNAL FLANGE THICKNESS | 0.150 INCHES NOMINAL |
| APERTURE DIAMETER | 3.250 INCHES NOMINAL |
| END ITEM IDENTIFICATION | 1270-01-142-2855 TARGET DESIGNATOR |
