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Technical Data Sheet
B543 ✓ 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 material: STEEL OVERALL, bore_diameter: 1.5625 INCHES NOMINAL IN, load_direction: RADIAL, inner_ring_width: 0.2810 INCHES NOMINAL IN, outer_ring_width: 0.2500 INCHES NOMINAL IN, style_designator: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7010-01-473-0853, 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 B543
NSN: 7010-01-473-0853
FSC: 7010 — COMPUTER SYSTEM,DIGITAL
CAGE: 52008 — ELTREX INDUSTRIES INC. DBA MONARCH (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter1.5625 INCHES NOMINAL IN
load_directionRADIAL
inner_ring_width0.2810 INCHES NOMINAL IN
outer_ring_width0.2500 INCHES NOMINAL IN
style_designatorSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
end_item_identificationRACE CLUTCH ASSY (NEXT HIGHER ASSEMBLY); MV-22 AIRCRAFT (END ITEM)
overall_outside_diameter2.0000 INCHES NOMINAL IN
criticality_code_justificationAGAV
lubrication_material_document_and_classificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
NSN7010-01-473-0853
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN B543 MFR TRANSFORMER,AUDIO FREQ
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONUNIT 4001 ENHANCED, CONT. DSPL WS
END ITEM IDENTIFICATIONUNIT 4001 ENHANCED, CONT. DSPL WS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
1766Interchangeable
interchangeable cross-reference
interchangeable
B-543Interchangeable
interchangeable cross-reference
interchangeable
B543B107A000014S000000Interchangeable
interchangeable cross-reference
interchangeable
42315-165-11Interchangeable
interchangeable cross-reference
interchangeable
79C0310-00Interchangeable
Same NIIN cross-reference
interchangeable
N103344Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B543?
B543 is a TRANSFORMER,AUDIO FREQUENCY. It is classified as a MRO (MRO_GENERAL).
What parts can replace B543?
There are 7 known substitutes for B543: 1766, B-543, B543B107A000014S000000 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B543?
B543 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7010-01-473-0853. This indicates validated use in U.S. government and defense supply chains.
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