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Frequency Standard NSN 6625-00-890-6493

Item Description

An item that can generate a fundamental frequency with a high degree of accuracy. Harmonics of this fundamental are then used as a reference point for checking throughout the radio spectrum. The standard may be stable crystal oscillator, noncrystal oscillator, tuning fork, atomic beam, molecular beam, gas cell, quantum mechanical resonator, or the like.

NSN 6625-00-890-6493 NSN: 6625-00-890-6493

Features and Characteristics

Overall Depth
21.500 inches
Overall Height
15.938 inches
Overall Width
16.750 inches
Ac Voltage Rating
115.0 volts and 230.0 volts
Dc Voltage Rating
Between 22.0 volts and 30.0 volts
Frequency Rating
Between 50.0 hertz and 400.0 hertz
Frequency Range Rating
+0.001/+100.000 kilohertz
End Application
Electronic test equipment
Unit Type
Standard
Unpackaged Unit Weight
64.000 pounds
Recording Device Accommodation
Not provided
Phase
Single
Special Features
Opt e21 denotes flying clock & power supply; opt 003 denotes combination of opt 001 time standard & opt 002 standby power supply
Supplementary Features
Cesium beam 100khz, 1mhz, & 5mhz
FSC
6625 Electrical And Electronic Properties Measuring And Testing Instruments
NIIN
008906493
NSN
6625008906493

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
A-A-58034
Cage Code:
58536
Status:
A
MSDS:
Part Number:
5061A-E21-003
Cage Code:
1LQK8
Status:
A
MSDS:
Part Number:
E21-5061A003
Cage Code:
1LQK8
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 9030908030
  • NAICS: 334515
  • SITC: 87479
  • Description: Parts and accessories of articles of schedule b subheading 9030.39
  • End Use (Code 21160):
    Measuring, testing, control instruments

Q & A

Frequently asked questions for NSN 6625-00-890-6493
What are the manufacturers of nsn 6625008906493?
Does this nsn 6625008906493 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6625008906493
An item that can generate a fundamental frequency with a high degree of accuracy. harmonics of this fundamental are then used as a reference point for checking throughout the radio spectrum. the standard may be stable crystal oscillator, noncrystal oscillator, tuning fork, atomic beam, molecular beam, gas cell, quantum mechanical resonator, or the like.
Does nsn 6625008906493 contain any precious metals?
No precious metal content.
Does nsn 6625008906493 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 6625008906493?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
42641
FIIG:
T263-R
App. Key:
RA
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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