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Frequency Standard NSN 6625-00-575-6749

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 6625-00-575-6749 NSN: 6625-00-575-6749

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Features and Characteristics

Overall Depth
16.200 inches
Overall Height
8.700 inches
Overall Width
16.700 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 1000.0 hertz
End Application
An/urc-117 ground wave emergency network (gwen)
Furnished Items And Quantity
Power cord 1, kit including extender boards, test cables, maintenance tools and mating connecting 1
Unit Type
Standard
Recording Device Accommodation
Not provided
Functional Classification
Aa-10.6
Special Features
Frequency standard, cesium beam; used during 5 mhz oscillator test
Functional Description
A unit which uses a cesium beam tube resonator to stabilize the output frequency of a quartz crystal oscillator
Reference Data And Literature
T.O. 33a1-5-318-11
Relationship To Similar Equipment
SIMI-LA-RTO-NSN6
Supplementary Features
Sinusoidal output 5 mhz; 1 mhz; 100 khz; cesium beam tubes length 16 in.; operating temp 0 to 50 degrees c
FSC
6625 Electrical And Electronic Properties Measuring And Testing Instruments
NIIN
005756749
NSN
6625005756749

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5061A
Cage Code:
1LQK8
Status:
A
MSDS:
Part Number:
1201793
Cage Code:
56232
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 6625-00-575-6749
What are the manufacturers of nsn 6625005756749?
Does this nsn 6625005756749 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6625005756749
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 6625005756749 contain any precious metals?
No precious metal content.
Does nsn 6625005756749 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 6625005756749?
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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