Frequency Standard
A-A-50798
(NSN) National Stock Number
6625-00-228-3182
Federal Supply Classification
6625 Electrical and Electronic Properties Measuring and Testing Instruments
Item Name Code
42641
Schedule B Code
9030908030
Summary
17.600 inches nominal overall length, 5.300 inches nominal overall height, 14.000 inches nominal overall width, 115.0 volts nominal and 230.0 volts nominal ac voltage rating, 28.0 volts nominal dc voltage rating, 50.0 hertz minimum and 400.0 hertz maximum frequency rating
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 4 | - | - | 4 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 1 | - | - | 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 Length
17.600 inches nominal
Details
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.Overall Height
5.300 inches nominal
Details
The distance measured in a straight line from the bottom to the top of an item.Overall Width
14.000 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 230.0 volts nominal
Details
The value,or range of values,of root mean square potential for which the item is rated.Dc Voltage Rating
28.0 volts nominal
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.Unit Type
standard
Details
Indicates the type of unit.Unpackaged Unit Weight
30.000 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 Classification
aa-10.10
Details
The alpha-numeric designation that identifies the classification of the item according to the category of functions performed.Special Features
solid state construction; includes internal batteries and power selection switch
Details
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.Reference Data And Literature
commercial item description a-a-50798
Details
Literature and references available for information pertaining to the item.Supplementary Features
manufacturers name: frequency standard,oscillator (5 mhz, 1 mhz and 100khz)
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 |
|---|---|---|---|---|---|---|---|
| FS-321A-1 | 27802 | 4 | - | 3 | 9 | - | SB |
| FS321-1 | 27802 | 4 | - | 5 | 9 | - | SB |
| FS-321A-1 | 00136 | 4 | - | C | 1 | - | ZZ |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| P | A | A | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 34580 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 738 | Z | 9 |
What's Included?
- Certificate of Conformity
- QC Inspection prior to shipping
- On time delivery
- Friendly service to back every order
Manufacturer
FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
CAGE: 58536
WASHINGTON
, DC
, 20405
UNITED STATES
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FAQs
Frequently asked questions for NSN 6625-00-228-3182
What is the NIIN of the NSN 6625-00-228-3182?
The National Item Identification Number (NIIN) of the NSN 6625-00-228-3182 is 00-228-3182
When the NSN 6625-00-228-3182 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Wed, Feb 5, 1969
Does the NSN 6625-00-228-3182 contain any precious metals?
Does not contain precious metal
Does the NSN 6625-00-228-3182 contain any hazardous material?
No information in HMIRS
What is the ESD classification of NSN 6625-00-228-3182?
No known electrostatic discharge
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