Model: 253265

Electrical Frequency Meter

Properties:

Circuit Current For Which Designed
Dc
Overall Length
3.469 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
3.375 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
3.375 inches
Overall Height
4.562 inches
Overall Width
4.562 inches
Scale Division Quantity
20 single indicator all ranges
Mounting Stud Length
1.500 inches
Furnished Items And Quantity
Nut 4; washer 4
Indicator Type
Vibrating reed
Installation Design
Panel
Register Quantity
2
Mounting Arrangement Style
Four hole/stud rectangular/square
Dial Scale Marking Color
Black single indicator all ranges
Resonant Reed Quantity
21
Meter Depth Behind Mounting Flange
2.531 inches
Meter Body Diameter Behind Mounting Flange
3.687 inches
Movement Type
Vibrating reed
Background Color
White single indicator all ranges
Power Source
External
Mounting Facility Type And Quantity
4 threaded stud
Scale Graduation Type
Linear single indicator all ranges
Measurement Range
+115.0/+135.0 hertz single indicator 1st range+122.5/+127.5 hertz single indicator 2nd range
Measurement Range
+115.0 to 135.0 hertz single indicator 1st range
Measurement Range
+122.5 to 127.5 hertz single indicator 2nd range
Mounting Stud Diameter
0.250 inches
Scale Selection Method
Terminal
Circuit Attachment Method And Quantity
2 solder lug
Material
Steel
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Rectangular flush mtg
Fsc Application Data
Test set, elect. Equip.
NSN
6625-00-237-4854
Part Number
253265
Description
Meter,electrical Frequency
CAGE
07239

An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.

Part 253265 NSN 6625-00-237-4854

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16454
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

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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