PartsTable
Technical Data Sheet
PartsTable / MRO / 820B
820B ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include phase: SINGLE LOCATION NOT OTHERWISE SPECIFIED, overall_depth: 15.000 INCHES NOMINAL IN, overall_width: 19.000 INCHES NOMINAL IN, indicator_type: METER, overall_height: 7.000 INCHES NOMINAL IN, frequency_rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-934-0345, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ 820B
NSN: 6625-00-934-0345
FSC: 6625
CAGE: 10241 — TELEPHONE SYSTEMS/COMMUNICATIONS (USA)
SPECIFICATIONS
phaseSINGLE LOCATION NOT OTHERWISE SPECIFIED
overall_depth15.000 INCHES NOMINAL IN
overall_width19.000 INCHES NOMINAL IN
indicator_typeMETER
overall_height7.000 INCHES NOMINAL IN
frequency_rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
ac_voltage_rating115.0 VOLTS MINIMUM AND 230.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
supplementary_features19 INCH RACKMOUNT PULSE ANALYZER PLUG-IN TIME BASE REQUIRED FOR TIMING SIGNALS IN
unpackaged_unit_weight31.000 POUNDS NOMINAL LBS
reference_data_and_literatureTO 33A1-11-31-2
electrical_power_source_relationshipOPERATING
NSN6625-00-934-0345
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER AUTOTRANSFORME TITLE COMPONENT PN 820B MFR TRANSFORMER,POWER AUTO
KEY FEATURES
•
PHASE: SINGLE LOCATION NOT OTHERWISE SPECIFIED
•
SUPPLEMENTARY FEATURES: 19 INCH RACKMOUNT PULSE ANALYZER PLUG-IN TIME BASE REQUIRED FOR TIMING SIGNALS IN
•
REFERENCE DATA AND LITERATURE: TO 33A1-11-31-2
•
ELECTRICAL POWER SOURCE RELATIONSHIP: OPERATING
•
UNPACKAGED UNIT WEIGHT: 31.000 POUNDS NOMINAL LBS
•
INDICATOR TYPE: METER
•
FREQUENCY RATING: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH19.000 INCHES NOMINAL IN
PHASESINGLE LOCATION NOT OTHERWISE SPECIFIED
SUPPLEMENTARY FEATURES19 INCH RACKMOUNT PULSE ANALYZER PLUG-IN TIME BASE REQUIRED FOR TIMING SIGNALS IN
REFERENCE DATA AND LITERATURETO 33A1-11-31-2
ELECTRICAL POWER SOURCE RELATIONSHIPOPERATING
UNPACKAGED UNIT WEIGHT31.000 POUNDS NOMINAL LBS
INDICATOR TYPEMETER
FREQUENCY RATING50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
OVERALL DEPTH15.000 INCHES NOMINAL IN
OVERALL HEIGHT7.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
820Upgraded Successor
successor cross-reference
successor
TASK ALFA 820Upgraded Successor
successor cross-reference
successor
1908Interchangeable
interchangeable cross-reference
interchangeable
820BInterchangeable
interchangeable cross-reference
interchangeable
CN16UInterchangeable
interchangeable cross-reference
interchangeable
W5MTInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 820B?
820B is a TRANSFORMER,POWER AUTOTRANSFORME. It is classified as a MRO (MRO_GENERAL).
What parts can replace 820B?
There are 9 known substitutes for 820B: 820, TASK ALFA 820, 1908 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 820B?
820B is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-934-0345. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026