Model: 21FHXX

Electrical Frequency Meter

Special Features:

Weapon system essential; 0.25 watt power consumption.

Properties:

Circuit Current For Which Designed
Ac
Overall Length
2.625 inches
Mounting Hole Diameter
0.125 inches
Frequency Rating
60.0 hertz
Overall Diameter
2.688 inches
Mounting Bolt Circle Diameter
2.440 inches
End Application
An/tps-63 radar system
Indicator Type
Vibrating reed
Installation Design
Panel
Register Quantity
1
Mounting Arrangement Style
Three hole/stud bolt circle
Frequency Response Range
+58.000/+62.000 hertz
Resonant Reed Quantity
5
Meter Depth Behind Mounting Flange
1.844 inches
Meter Body Diameter Behind Mounting Flange
2.125 inches
Movement Type
Vibrating reed
Background Color
Black single indicator single range
Mounting Facility Type And Quantity
3 unthreaded hole
Measurement Range
+58.0/+62.0 hertz single indicator single range
Scale Selection Method
Terminal
Criticality Code Justification
Feat
Circuit Attachment Method And Quantity
2 solder stud
Operating Voltage Rating In Volts
Between 100.0 ac and 130.0 ac
Style Designator
Round flush mtg
Supplementary Features
525 ohms per v res
Specification Data
09017-301992 manufacturers specification control
NSN
6625-00-772-6019
Part Number
21FHXX
Description
Meter,electrical Frequency
CAGE

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 21FHXX NSN 6625-00-772-6019

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:
TG
CRITL:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.8000lbs
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:
061700
UFC:
34580
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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