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Technical Data Sheet
842-1 ✓ 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

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include overall_width: 2.000 INCHES NOMINAL IN, overall_height: 1.500 INCHES NOMINAL IN, overall_length: 3.000 INCHES NOMINAL IN, basic_shape_style: RECTANGULAR OR SQUARE, operating_temp_range: -55.0 TO 85.0 CELSIUS DEGC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-477-7844, 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 842-1
NSN: 6625-00-477-7844
FSC: 6625
CAGE: 09975 — UNISYS CORPORATION DBA UNISYS CORP (USA)
SPECIFICATIONS
overall_width2.000 INCHES NOMINAL IN
overall_height1.500 INCHES NOMINAL IN
overall_length3.000 INCHES NOMINAL IN
basic_shape_styleRECTANGULAR OR SQUARE
operating_temp_range-55.0 TO 85.0 CELSIUS DEGC
NSN6625-00-477-7844
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN 842-1 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
MOUNTING FACILITY TYPE AND QUANTITY: 1 PLUG-IN
SPECIAL TEST FEATURES: DRAWING IAW MIL-STD-100A A
FSC APPLICATION DATA: TEST SET,ELECT. EQUIP.
ELECTRICAL CONNECTION QUANTITY: 13
DISPLAY DIGIT QUANTITY: 1
PRESENTATION TYPE: DIGITAL DISPLAY
DIAMETER: 1.080 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING FACILITY TYPE AND QUANTITY1 PLUG-IN
SPECIAL TEST FEATURESDRAWING IAW MIL-STD-100A A
FSC APPLICATION DATATEST SET,ELECT. EQUIP.
ELECTRICAL CONNECTION QUANTITY13
DISPLAY DIGIT QUANTITY1
PRESENTATION TYPEDIGITAL DISPLAY
END ITEM IDENTIFICATIONCONTROL MONITOR GROUP AN/GRA-111
DIAMETER1.080 INCHES MAXIMUM IN
LENGTH1.250 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
MOUNTING FACILITY TYPE AND QUANTITY1 PLUG-IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
547A003086Interchangeable
interchangeable cross-reference
interchangeable
A547-645Interchangeable
interchangeable cross-reference
interchangeable
8421Interchangeable
interchangeable cross-reference
interchangeable
REPAIR KITInterchangeable
interchangeable cross-reference
interchangeable
MILR19907Interchangeable
interchangeable cross-reference
interchangeable
3134768CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 842-1?
842-1 is a TRANSFORMER,AUDIO FREQUENCY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 842-1?
There are 16 known substitutes for 842-1: 547A003086, A547-645, 8421 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 842-1?
842-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-477-7844. This indicates validated use in U.S. government and defense supply chains.
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