NSN 1240-00-610-7756
Part Details | DIOPTER SCALE
1240-00-610-7756 A graduated scale, usually cylindrical in shape, attached to, or forming a part of, the focusing nut or knob of the eyepiece of an optical instrument. It is read in conjunction with a line or dart indicator to measure the change in refracting power of the eyepiece, in diopters, and introduces correction to compensate for the eyesight variation of the observer. It may have a knurled periphery and/or teeth on the inside diameter.
Alternate Parts: 1240006107756, 8574787, 1240-00-610-7756, 00-610-7756, 1240006107756, 006107756
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JAN 01, 1963 | 00-610-7756 | 21868 ( SCALE, DIOPTER ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-610-7756
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1240006107756 | A00AM | E.C.A ETABLISSEMENT CENTRALDESAPPROVISIONNEMENTS DES FORCES |
| 8574787 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-610-7756
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 416 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763, CLASS 6, TYPE C FED SPEC SINGLE MATERIAL RESPONSE |
| SCALE DIVISION QUANTITY | 11 |
| SCALE UNIT OF MEASURE INSCRIPTION | 4,3,2,1,MINUS SIGN/IN SYMBOL FORM/,0,PLUS SIGN/IN SYMBOL FORM/,1,2,3,4 |
| INSCRIPTION COLOR | BLACK |
| OVERALL OUTSIDE DIAMETER | 3.312 INCHES NOMINAL |
| INSIDE DIAMETER | 3.010 INCHES NOMINAL |
| OVERALL HEIGHT | 3.140 INCHES NOMINAL |
| MOUNTING CONFIGURATION | W THD HOLES,NO. 4/0.112 IN./-40 NC-2B,EQUALLY SPACED |
| FSC APPLICATION DATA | TELESCOPE,M10,/T172/,INTEGRATEDWITH FIRE CONTROL EQUIPMENT |