Model: 491-274

Voltmeter

Properties:

Circuit Current For Which Designed
Ac
Overall Length
2.250 inches
Mounting Hole Diameter
0.155 inches
Overall Diameter
4.500 inches
Mounting Bolt Circle Diameter
4.124 inches
Installation Design
Panel
Mounting Arrangement Style
Six 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 all ranges
Meter Depth Behind Mounting Flange
1.500 inches
Meter Body Diameter Behind Mounting Flange
3.500 inches
Movement Type
Moving iron vane
Background Color
White single indicator single range
Mounting Facility Type And Quantity
6 unthreaded hole
Measurement Range
+0.0/+70.0 volts, ac single indicator single range
Circuit Attachment Method And Quantity
2 threaded stud
Style Designator
C1 round flush mtg
Style Designator
Round flush mtg
NSN
6625-00-724-4124
Part Number
491-274
Description
Voltmeter
CAGE
28569

An instrument which measures electrical potential and is calibrated in volts 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.

Part 491-274 NSN 6625-00-724-4124

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16449
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:
TG
CRITL:
X

Packaging & Shipping

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