Model: 990622

Electrical Frequency Meter

Properties:

Overall Length
3.156 inches
Mounting Hole Diameter
0.125 inches
Overall Diameter
2.685 inches
Mounting Bolt Circle Diameter
2.440 inches
Indicator Type
Dial w/pointer
Installation Design
Panel
Register Quantity
1
Frequency Response Range
+380.000/+420.000 hertz
Resonant Reed Quantity
11
Accuracy In Percent
-0.5/+0.5 at full scale single indicator single range
Meter Depth Behind Mounting Flange
2.343 inches
Meter Body Diameter Behind Mounting Flange
2.210 inches
Movement Type
Vibrating reed
Mounting Facility Type And Quantity
3 unthreaded hole
Measurement Range
+100.0/+150.0 volts, dc single indicator single range
Features Provided
Zero adjuster
Circuit Attachment Method And Quantity
2 solder lug
Nuclear Hardness Critical Feature
Nonhardened
Special Test Features
Part iaw mil-std-130
Style Designator
Round flush mtg
Supplementary Features
Individual reeds are tuned to within porm 0.3 pct of their ratio frequency
Fsc Application Data
Test set, elect. Equip.
NSN
6625-00-844-6631
Part Number
990622
Description
Meter,electrical Frequency
CAGE
77221

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 990622 NSN 6625-00-844-6631

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:
X

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:
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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