National Item Identification Number
00-564-7322
005647322
6650-00-564-7322
6650005647322
National Stock Number
Item Name
SCALE,DIOPTER
Federal Supply Class
6650
Description
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.
Commercial and Government Entity Code (Supplier Data)
19200
Reference Numbers (Part Numbers)
6177051
Required Categories
MATERIAL
SURFACE TREATMENT
SCALE DIVISION QUANTITY
SCALE UNIT OF MEASURE INSC
Required Description
ALUMINUM
ANODIZED
9
4,2,PLUS,0,MINUS,2,4
WHITE
1.500 INCHES NOMINAL
1.328