Model: 4390

Multirange Instrument Shunt

Special Features:

Total resistance 2.0 ohms; output voltage 150.0 mv; limit of error porm 0.02 pct at 25 c; case metal with vinyl cover; wt 4 lbs; for use with l and n type k potentiometers in the precise measurement of d-c currents and in the calibration of d-c ammeters and wattmeters; high-quality enclosed silver-alloy switches

Properties:

Overall Length
6.875 inches
Overall Height
5.500 inches
Overall Width
6.500 inches
Switch Type
Rotary
Usage Design
Portable
Current Rating And Type
750.0 milliamperes dc and 15000.0 milliamperes dc
NSN
6625-00-657-3635
Part Number
4390
Description
Shunt,instrument,multirange
CAGE
31922

A series of fixed precision resistors or bars of metal so positioned that, by means of an integral switching mechanism, any of a number of specific values of resistance can be placed in parallel with a basic direct current instrument to permit determination of current values exceeding the actual range of the instrument itself.

Part 4390 NSN 6625-00-657-3635

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
02796
FIIG:
A33500
Concept No.:
App. Key:
B
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:
RH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
12.5 X 12.5 X 14.5
Paclk Weight:
8.8000lbs
Item Weight:
4.0000lbs
Item Dim:
006300630048
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
A
SPI No.:
F000003XA4
SPI Rev.:
SPC Mkg:
17
LVL_A:
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
RATING VARIABLE
LCL:
77.5
WCC:
653
TCC:
Z
SHC:
Q
ACC:
Equipment for Aircraft

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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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