Model: 644B639A16

Ammeter

Properties:

Circuit Current For Which Designed
Ac
Overall Length
2.172 inches
Overall Height
4.000 inches
Overall Width
4.500 inches
Mounting Stud Length
0.547 inches
Distance Between Mounting Facility Centers
3.500 inches
Installation Design
Panel
Mounting Arrangement Style
Two hole/stud
Frequency Response Range
+25.000/+500.000 hertz
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
1.641 inches
Meter Body Diameter Behind Mounting Flange
2.790 inches
Movement Type
Moving iron vane
Background Color
White single indicator single range
Mounting Facility Type And Quantity
2 threaded stud
Measurement Range
+0.0/+150.0 amperes, ac single indicator single range
Mounting Stud Diameter
0.180 inches
Movement Suspension Method
Taut band
Circuit Attachment Method And Quantity
2 threaded stud
Material
Plastic
Style Designator
Rectangular flush mtg
NSN
6625-00-212-7321
Part Number
644B639A16
Description
Ammeter
CAGE
90689

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 644B639A16 NSN 6625-00-212-7321

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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