Model: 25173

Null Meter

Properties:

Circuit Current For Which Designed
Dc
Overall Length
1.231 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
1.312 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
1.312 inches
Overall Height
1.766 inches
Overall Width
1.766 inches
Mounting Hole Diameter
0.125 inches
Scale Division Quantity
20 single indicator single range
Environmental Protection
Airtight and dust tight and spray tight and waterproof and watertight
Furnished Items And Quantity
Nut 4; lockwasher 4
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Four hole/stud rectangular/square
Sensitivity Rating
1000.0 ohms per volt
Dial Scale Marking Color
Black single indicator single range and red single indicator single range
Accuracy In Percent
-3.0/+3.0 at full scale single indicator single range
Meter Depth Behind Mounting Flange
0.810 inches
Meter Body Diameter Behind Mounting Flange
1.490 inches
Movement Type
Moving iron vane
Background Color
White single indicator single range
Pointer Color
Black single indicator single range
Scale Marking
10; -; 0; +; 10
Mounting Facility Type And Quantity
4 unthreaded hole
Scale Graduation Type
Linear single indicator single range
Features Provided
Zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 screw and 2 solder lug
Special Markings
Red band from pos and neg 8.5 to 9.5
Material
Steel
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Rectangular flush mtg
Fsc Application Data
Test set, elect. Equip.
NSN
6625-00-893-2267
Part Number
25173
Description
Meter,null
CAGE
00781

An electrically operated instrument having a zero point on its scale (usually located in the center thereof). It may not indicate units of electrical measurement. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. When the indication shows zero, an electrical value of "zero" has been reached in the circuit. It is generally used in situations in which zero is the desired effect. Excludes ammeter, galvanometer; meter, arbitary scale; and voltmeter.

Part 25173 NSN 6625-00-893-2267

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
61382
FIIG:
A310A0
Concept No.:
App. Key:
C
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:
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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