Model: M531

Ammeter

Special Features:

0.0166 ohms res

Properties:

Circuit Current For Which Designed
Dc
Reliability Indicator
Not established
Overall Length
2.530 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
2.240 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
2.240 inches
Overall Height
3.140 inches
Overall Width
3.000 inches
Scale Division Quantity
60 single indicator single range
Mounting Stud Length
Between 0.510 inches and 0.550 inches
Furnished Items And Quantity
Term. Hdw 2; mtg hdw 4
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Four hole/stud rectangular/square
Sensitivity Rating
50.0 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
1.510 inches
Meter Body Diameter Behind Mounting Flange
Between 2.700 inches and 2.850 inches
Movement Type
Moving coil, permanent magnet
Background Color
White single indicator single range
Pointer Color
Black single indicator single range
Power Source
External
Mounting Facility Type And Quantity
4 threaded stud
Scale Graduation Type
Linear single indicator single range
Measurement Range
+0.0/+3.0 amperes, dc single indicator single range
Mounting Stud Diameter
0.112 inches
Scale Selection Method
Terminal
Features Provided
Zero adjuster
Movement Suspension Method
Taut band
Circuit Attachment Method And Quantity
2 threaded stud
Material
Plastic phenolic
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Rectangular flush mtg
Fsc Application Data
Test set, elect. Equip.
NSN
6625-00-844-6450
Part Number
M531
Description
Ammeter
CAGE
82386

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 M531 NSN 6625-00-844-6450

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
136740
UFC:
68820
LTL:
RATING VARIABLE
LCL:
--
WCC:
657
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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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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