Model: 321T

Ammeter

Properties:

Circuit Current For Which Designed
Dc
Mounting Hole Diameter
0.125 inches
Scale Division Quantity
25 single indicator single range
Overall Diameter
3.500 inches
Mounting Bolt Circle Diameter
3.160 inches
Installation Design
Panel
Mounting Arrangement Style
Three hole/stud bolt circle
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
0.938 inches
Meter Body Diameter Behind Mounting Flange
2.750 inches
Background Color
White single indicator single range
Mounting Facility Type And Quantity
3 flange
Measurement Range
+0.0/+20.0 amperes, dc single indicator single range
Circuit Attachment Method And Quantity
2 threaded stud
Material
Plastic
Style Designator
C1 round flush mtg
Style Designator
Round flush mtg
Reference Number Differentiating Characteristics
As differentiated by measurement range and step quantity per range
NSN
6625-00-071-4942
Part Number
321T
Description
Ammeter
CAGE

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 321T NSN 6625-00-071-4942

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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