Model: 458-0491-00

Multiple Scale Meter

Properties:

Circuit Current For Which Designed
Dc
Overall Length
2.812 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
1.875 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
1.875 inches
Overall Height
2.375 inches
Overall Width
2.375 inches
Scale Division Quantity
40 single indicator 2nd range
Mounting Stud Length
Between 0.475 inches and 0.625 inches
Environmental Protection
Dust resistant and humidity resistant and water resistant
Furnished Items And Quantity
Mtg hdw 4; term. Hdw 2
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Four hole/stud rectangular/square
Sensitivity Rating
1.0 milliamperes
Dial Scale Marking Color
Black single indicator all ranges
Accuracy In Percent
-2.0/+2.0 at full scale single indicator all ranges
Meter Depth Behind Mounting Flange
1.781 inches
Meter Body Diameter Behind Mounting Flange
2.219 inches
Movement Type
Moving coil, permanent magnet
Background Color
White single indicator all ranges
Pointer Color
Black single indicator all ranges
Power Source
External
Mounting Facility Type And Quantity
4 threaded stud
Scale Graduation Type
Linear single indicator 2nd range
Scale Graduation Type
Nonlinear single indicator 1st range
Measurement Range
+0.0/+400.0 milliamps single indicator 2nd range
Measurement Range
+0.0/+60.0 decibels single indicator 1st range
Mounting Stud Diameter
0.112 inches
Scale Selection Method
Terminal
Features Provided
Magnetic shield and shatterproof glass and zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 solder lug and 2 threaded stud
Special Markings
Left terminal shall be marked positive
Material
Plastic
Nuclear Hardness Critical Feature
Nonhardened
Surface Treatment
Enamel
Style Designator
Rectangular flush mtg
Supplementary Features
Meter resistance: 50 ohms plus or minus 20 percent; number 47 miniature bayonet base bulb with lugs included in mounting hardware
Fsc Application Data
Test set, elect. Equip.
NSN
6625-00-990-2475
Part Number
458-0491-00
Description
Meter,multiple Scale
CAGE
13499

An instrument with two or more different scales measuring different quantities, usually on a single calibrated dial or digital readout display. it is intended for visually monitoring an operation. the meter must be permanently connected into an appropriate electronic circuit. excludes: ammeter; voltmeter; wattmeter and meter, electrical frequency.

Part 458-0491-00 NSN 6625-00-990-2475

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
62222
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:
TG
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.4000lbs
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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