Model: MR137A

Ammeter

Special Features:

Nonlinear scale

Properties:

Circuit Current For Which Designed
Dc
Overall Length
2.300 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
4.000 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
3.560 inches
Overall Height
4.200 inches
Overall Width
4.660 inches
Mounting Stud Length
0.620 inches
Environmental Protection
Dustproof
Furnished Items And Quantity
Flat washers 3, lockwashers 4, nuts 7
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Four hole/stud rectangular/square
Sensitivity Rating
33.0 millivolts
Dial Scale Marking Color
Black single indicator single range
Accuracy In Percent
-5.0/+5.0 at full scale single indicator single range
Meter Depth Behind Mounting Flange
1.000 inches
Meter Body Diameter Behind Mounting Flange
2.750 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
Nonlinear single indicator single range
Measurement Range
+0.0/+35.0 amperes, rf single indicator single range
Mounting Stud Diameter
0.138 inches
Scale Selection Method
Terminal
Features Provided
Zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
3 threaded stud
Special Markings
Caption amperes center of dial below div scale; caption radio frequency top center of dial above div scale
Material
Plastic
Nuclear Hardness Critical Feature
Nonhardened
Surface Treatment
Enamel semigloss
Style Designator
Rectangular flush mtg
NSN
6625-00-784-0950
Part Number
MR137A
Description
Ammeter
CAGE
82679

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 MR137A NSN 6625-00-784-0950

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:
--
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:
061620
UFC:
34540
LTL:
100.0
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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