National Item Identification Number

00-526-6780
005266780
6630-00-526-6780
6630005266780

National Stock Number

Item Name

DISK,COLOR STANDARDS

Federal Supply Class

6630

Description

A series of transparent glass color standards mounted in a disk or turret and identified by numerical markings. The standards may indicate hydrogen ion concentration (pH values), residual chlorine concentration, certain toxic substances, and other solutions. Similarly, the standards may be used in the grading of petroleum products as prescribed in various test methods.

Commercial and Government Entity Code (Supplier Data)

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90767

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ORBECO ANALYTICAL SYSTEMS INC
185 MARINE ST
FARMINGDALE
NY
11735
631-293-4110

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11273

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CENTRAL SCIENTIFIC CO
EDUCATIONAL
2810 OLD LEE HWY STE 200
FAIRFAX
VA
22031
703-876-4030

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Reference Numbers (Part Numbers)

190D
21451-8

Required Categories

COLOR RANGE
COLOR GRADUATION
LIGHT TYPE FOR WHICH DESIGNED
INDICATOR SOLUTION

Required Description

8.0 TO 9.6 PH
8.0
8.2
8.4
8.6
8.8
9.0
9.2
9.4
9.6
DAYLIGHT
THYMOL BLU