National Item Identification Number

01-246-0213
012460213
6650-01-246-0213
6650012460213

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)

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5S434

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DUFFENS OPTICAL INC
400 QUINCY ST
TOPEKA
KS
66603
913-234-3481

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Reference Numbers (Part Numbers)

RT-3

Required Categories

SPECIAL FEATURES
III PART NAME ASSIGNED BY CONTROLLING AGENCY
THE MANUFACTURER

Required Description

USED WITH SLIT LIGHT,MDL. SL-63
NSN 6540-01-182-3770
SCALE DIOPTER USED W/SLIT