Part Details | OPTICAL ELEMENT RETAINING RING
1240-00-157-4129 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: G8102PC14, 203026PC14, 1240-00-157-4129, 00-157-4129, 1240001574129, 001574129
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1963 | 00-157-4129 | 22585 ( RING, RETAINING, OPTICAL ELEMENT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-157-4129
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| G8102PC14 | 34993 | KEUFFEL AND ESSER COLSE OPNS |
| 203026PC14 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 1240-00-157-4129
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY |
| THREAD LOCATION | INTERNAL |
| THREAD SIZE | 1 3/8-32 |
| SCREW THREAD SERIES DESIGNATOR | UNS |
| THREAD CLASS | 3B |
| THREAD LENGTH | 0.187 INCHES |
| THREAD DIRECTION | RIGHT-HAND |
| OVERALL LENGTH | 0.250 INCHES NOMINAL |
| OUTSIDE DIAMETER | 1.687 INCHES NOMINAL |
| INTERNAL FLANGE THICKNESS | 0.063 INCHES NOMINAL |
| APERTURE DIAMETER | 1.125 INCHES NOMINAL |
| END ITEM IDENTIFICATION | RANGEFINDER MK42 |