NSN 6650-00-925-8421
Part Details | DIOPTER SCALE
6650-00-925-8421 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: 10121198, 10121198, 6650-00-925-8421, 00-925-8421, 6650009258421, 009258421
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | FEB 18, 1966 | 00-925-8421 | 21868 ( SCALE, DIOPTER ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6650-00-925-8421
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 10121198 | 09205 | LOCKHEED MARTIN CORPELECTRONICS AND MISSILES DIV |
| 10121198 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 6650-00-925-8421
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 303 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763, CLASS 303, COND A FED SPEC SINGLE MATERIAL RESPONSE |
| SURFACE TREATMENT | CHROMATE |
| SCALE DIVISION QUANTITY | 8 |
| 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 | WHITE |
| OVERALL OUTSIDE DIAMETER | 1.812 INCHES NOMINAL |
| INSIDE DIAMETER | 1.626 INCHES NOMINAL |
| OVERALL HEIGHT | 0.343 INCHES NOMINAL |
| MOUNTING CONFIGURATION | 3 SETSCREWS |
| FSC APPLICATION DATA | ALIGNMENT SET,INFRARED,TRANSMITTER,GUIDED MISSILE REMOTE CONTROL SYSTEM |
