Model: 921

Ammeter

Properties:

Circuit Current For Which Designed
Dc
Overall Length
6.690 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
6.125 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
6.375 inches
Overall Height
6.880 inches
Overall Width
6.630 inches
Mounting Hole Diameter
0.164 inches
Scale Division Quantity
50 single indicator single range
Furnished Items And Quantity
Nuts 16; washers 8; lamps 2; shunt resistor 1
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 single range
Accuracy In Percent
-1.0/+1.0 at full scale single indicator single range
Meter Depth Behind Mounting Flange
3.850 inches
Meter Body Width Behind Mounting Flange
5.750 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 lug and 4 screw and 4 unthreaded hole
Scale Graduation Type
Linear single indicator single range
Measurement Range
+0.0/+100.0 amperes, dc single indicator single range
Scale Selection Method
Terminal
Meter Body Height Behind Mounting Flange
6.000 inches
Features Provided
External shunting and self-illumination facility
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
4 threaded stud
Material
Steel
Nuclear Hardness Critical Feature
Nonhardened
Surface Treatment
Paint
Style Designator
Rectangular semi-flush mtg
Fsc Application Data
Test set, elect. Equip.
NSN
6625-00-930-4122
Part Number
921
Description
Ammeter
CAGE
65092

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 921 NSN 6625-00-930-4122

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:
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:
E
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:
Construction Materials

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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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