Model: PWB-4473

Ammeter

Special Features:

Ruggedized

Properties:

Circuit Current For Which Designed
Dc
Dielectric Withstanding Voltage In Volts
500.0
Overall Length
4.870 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
Between 2.470 inches and 2.478 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
Between 2.470 inches and 2.478 inches
Overall Height
3.260 inches
Overall Width
3.260 inches
Mounting Hole Diameter
0.170 inches
Scale Division Quantity
20 all indicators all ranges
Environmental Protection
Cold resistant and heat resistant and shock resistant and submersible and vibration resistant and watertight
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Four hole/stud rectangular/square
Sensitivity Rating
200.0 microamperes
Dial Scale Marking Color
White all indicators all ranges
Accuracy In Percent
-2.5/+2.5 at full scale all indicators all ranges
Unable To Decode
Unable to decode or unable to decode
Meter Depth Behind Mounting Flange
3.985 inches
Meter Body Diameter Behind Mounting Flange
2.800 inches
Movement Type
Moving coil, permanent magnet
Background Color
Black all indicators all ranges
Pointer Color
White all indicators all ranges
Power Source
External
Mounting Facility Type And Quantity
4 unthreaded hole
Scale Graduation Type
Linear all indicators all ranges
Measurement Range
+0.0/+20.0 amperes 1st indicator 1st range
Measurement Range
+0.0/+20.0 amperes 2nd indicator 2nd range
Scale Selection Method
Terminal
Features Provided
Luminous scale marking and magnetic shield and zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
4 solder lug
Special Markings
Term. Marked: + aadcp a; - aadcp b; local + c; local - d
Material
Stainless steel
Nuclear Hardness Critical Feature
Nonhardened
Surface Treatment
Enamel semigloss
Special Test Features
Conforms to mil-m-10304, type mr36b200dcua
Style Designator
Rectangular flush mtg
Fsc Application Data
Test set, elect. Equip.
NSN
6625-00-679-7694
Part Number
PWB-4473
Description
Ammeter
CAGE
77221

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 PWB-4473 NSN 6625-00-679-7694

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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