Model: 1257

Ammeter

Properties:

Circuit Current For Which Designed
Dc
Overall Length
1.562 inches
Overall Height
2.375 inches
Overall Width
2.375 inches
Scale Division Quantity
40 single indicator single range
Mounting Bolt Circle Diameter
2.624 inches
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Four hole/stud bolt circle
Sensitivity Rating
50.0 millivolts
Dial Scale Marking Color
White single indicator single range
Accuracy In Percent
-1.5/+1.5 at full scale single indicator single range
Panel For Which Designed
Nonmagnetic
Meter Depth Behind Mounting Flange
1.062 inches
Meter Body Diameter Behind Mounting Flange
2.062 inches
Movement Type
Moving coil, permanent magnet
Background Color
Black 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
Linear single indicator single range
Measurement Range
+0.0/+800.0 amperes, dc single indicator single range
Circuit Construction Type
Nonelectronic
Mounting Stud Diameter
0.138 inches
Features Provided
Self-illumination facility
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 threaded stud
Material
Plastic
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Rectangular flush mtg
Fsc Application Data
Test set, elect. Equip.
NSN
6625-00-028-3542
Part Number
1257
Description
Ammeter
CAGE
15309

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 1257 NSN 6625-00-028-3542

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:
TG
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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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