NSN 1240-01-079-3002
Part Details | DIOPTER SCALE
1240-01-079-3002 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: 12279031, 1240-01-079-3002, 01-079-3002, 1240010793002, 010793002
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | JUL 01, 1979 | 01-079-3002 | 21868 ( SCALE, DIOPTER ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-079-3002
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 12279031 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-01-079-3002
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM |
| SURFACE TREATMENT | ANODIZE |
| SCALE DIVISION QUANTITY | 33 |
| SCALE UNIT OF MEASURE INSCRIPTION | -2 TO 6 |
| INSCRIPTION COLOR | NATURAL METALLIC |
| OVERALL OUTSIDE DIAMETER | 0.660 INCHES NOMINAL |
| OVERALL HEIGHT | 0.012 INCHES NOMINAL |
| MOUNTING CONFIGURATION | PRESSURE SENSITIVE ADHESIVE BACKING |
| SPECIAL FEATURES | EAA IS PERISCOPE,TANK; NSN 1240-01-076-6747; MATERIAL IS PER QQ-A-250/1,1100-H14; SURFACE TREATMENT INCLUDES PHOTOSENSITIZING PER GG-P-455,TYPE I,GRADE A,CLASS 1,SATIN FINISH; ANODIZE IS CLEAR; ITEM IS FLAT; ADHESIVE BACKING IS 0.002 IN. THK.,NO. 4 ADHESIVE PERMIL-P-19834,TYPE 1 |