Model: 420

Ammeter

Properties:

Circuit Current For Which Designed
Dc
Center To Center Distance Between Mounting Facilities Parallel To Length
3.875 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
3.875 inches
Overall Height
4.187 inches
Overall Width
4.625 inches
Mounting Hole Diameter
0.138 inches
Scale Division Quantity
50 single indicator single range
Installation Design
Panel
Mounting Arrangement Style
Four hole/stud rectangular/square
Sensitivity Rating
55.0 millivolts
Dial Scale Marking Color
Black single indicator single range
Accuracy In Percent
-2.0/+2.0 at full scale single indicator single range
Meter Depth Behind Mounting Flange
0.843 inches
Meter Body Diameter Behind Mounting Flange
3.750 inches
Background Color
White single indicator single range
Mounting Facility Type And Quantity
4 flange
Measurement Range
+0.0/+1.0 milliamperes, dc single indicator single range
Circuit Attachment Method And Quantity
2 threaded stud
Material
Plastic
Style Designator
Rectangular flush mtg
NSN
6625-00-066-6911
Part Number
420
Description
Ammeter
CAGE
60741

An instrument which measures electric current and is calibrated and marked in amperes or any multiple and/or submultiple thereof. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. For current detecting type of devices, see galvanometer.

Part 420 NSN 6625-00-066-6911

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16450
FIIG:
A310A0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 9030908030
  • SITC: 87479
  • End Use: Measuring, testing, control instruments
  • NAICS: 334515
  • USDA: 1

Freight Class: Parts and accessories of articles of schedule b subheading 9030.39

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