Frequency Standard

E21-5065A

E21-5065A
(NSN) National Stock Number
6625-00-004-7450
Federal Supply Classification
6625 Electrical and Electronic Properties Measuring and Testing Instruments
Item Name Code
42641
Schedule B Code
9030908030
Summary

18.375 inches nominal overall depth, 14.000 inches nominal overall height, 16.750 inches nominal overall width, 115.0 volts nominal and 220.0 volts nominal ac voltage rating, 23.0 volts minimum and 30.0 volts maximum dc voltage rating, 50.0 hertz minimum and 400.0 hertz maximum frequency rating

DAC HCC DMIL RNCC
5 - - C
RNVC SADC MSDS RNAAC
1 9F - ZZ
Identification

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.

INC FIIG Concept Condition
42641 T263-R - 1
Specifications
Overall Depth
18.375 inches nominal
Details An overall measurement between specified points of an item,in distinction from height.
Overall Height
14.000 inches nominal
Details The distance measured in a straight line from the bottom to the top of an item.
Overall Width
16.750 inches nominal
Details An overall measurement taken at right angles to the length of an item,in distinction from thickness.
Ac Voltage Rating
115.0 volts nominal and 220.0 volts nominal
Details The value,or range of values,of root mean square potential for which the item is rated.
Dc Voltage Rating
23.0 volts minimum and 30.0 volts maximum
Details The value,or range of values,of direct current potential for which the item is rated.
Frequency Rating
50.0 hertz minimum and 400.0 hertz maximum
Details The number of complete cyclic changes,per unit of time,for which an item is rated.
Frequency Range Rating
+0.100 to 5.000 megahertz
Details The range of complete cyclic changes,per unit of time,for which an item is rated.
Unpackaged Unit Weight
110.000 pounds
Details The measured weight of an item unencumbered by packaging or packing material. please use mrc ctjs in place of this discontinued mrc.
Recording Device Accommodation
not provided
Details An indication of whether or not a recording device accommodation/s/ is provided.
Phase
single
Details The number of alternating current phases.
Functional Description
precise frequency source for systems operating in the radio spectrum; coherent signal sources of all types; precision timekeeping; house standards and calibration laboratories
Details Describes the capabilities,intended use,and/or purpose for which the item is provided.
Reference Data And Literature
33a1-5-386-1
Details Literature and references available for information pertaining to the item.
Supplementary Features
consist of 5065a rubidium standard w/digital clock and divider, k01-5060a power supply w/option 003, held together by side bars, the interconnecting cables are protected by a back cover; portable
Details Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
E21-5065A 28480 4 - 5 9 - MB
E21-5065A 1MY97 4 - 5 9 - ZZ
E21-5065A 1LQK8 5 - 3 9 - ZZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
P A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
34580 - W D
RVC WCC TCC SHC
- 738 3 9

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Manufacturer
KEYSIGHT TECHNOLOGIES INC
CAGE: 7ZXR5
COLORADO SPRINGS , CO , 80907-3423
UNITED STATES
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FAQs
Frequently asked questions for NSN 6625-00-004-7450
What is the NIIN of the NSN 6625-00-004-7450?
The National Item Identification Number (NIIN) of the NSN 6625-00-004-7450 is 00-004-7450
When the NSN 6625-00-004-7450 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Jun 9, 1972
Does the NSN 6625-00-004-7450 contain any precious metals?
Does not contain precious metal
Does the NSN 6625-00-004-7450 contain any hazardous material?
No information in HMIRS

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