NSN 1240-00-766-0727
Part Details | DIOPTER SCALE
1240-00-766-0727 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: 7660727, 1240-00-766-0727, 00-766-0727, 1240007660727, 007660727
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
12 | JAN 01, 1962 | 00-766-0727 | 21868 ( SCALE, DIOPTER ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-766-0727
Part Number | Cage Code | Manufacturer |
---|---|---|
7660727 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 1240-00-766-0727
Characteristic | Specifications |
---|---|
MATERIAL | 7$8$9$DAL0030$DAL0031$DAL0032$DAL0050$DAL0052$DAL0054$DAL0044$DAL0008 |
MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-591 FED SPEC SINGLE MATERIAL RESPONSE |
SURFACE TREATMENT | ANODIZE |
SCALE DIVISION QUANTITY | 12 |
SCALE UNIT OF MEASURE INSCRIPTION | 3,2,1,MINUS SIGN/IN SYMBOL FORM/,0,PLUS SIGN/IN SYMBOL FORM/,2,3 |
INSCRIPTION COLOR | BLACK |
OVERALL OUTSIDE DIAMETER | 2.688 INCHES NOMINAL |
INSIDE DIAMETER | 1.898 INCHES NOMINAL |
OVERALL HEIGHT | 2.000 INCHES NOMINAL |
MOUNTING CONFIGURATION | 3 THD HOLES,NO. 8/0.164 IN.1-32,NC-3,EQUALLY SPACED |
FSC APPLICATION DATA | TELESCOPE,T156,INTEGRATED WITH FIRE CONTROL EQUIPMENT |