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549-4086-002 — TRANSFORMER,RADIO FREQUENCY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

549-4086-002: TRANSFORMER,RADIO FREQUENCY.

The TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: UNABLE TO DECODESTEEL CORROSION RESISTING THIRD GEARSTEEL CORROSION RESISTING THIRD GEAR, design_type: UNABLE TO DECODESPUR THIRD GEARSPUR THIRD GEAR, construction: ASSEMBLEDASSEMBLED, surface_treatment: PASSIVATE SHAFT/HUBUNABLE TO DECODE, hub_nominal_length: UNABLE TO DECODE0.125 INCHES BETWEEN SECOND AND THIRD GEAR0.125 INCHES BETWEEN SECOND AND THIRD GEAR IN, hub_nominal_diameter: UNABLE TO DECODE0.125 INCHES BOTH ENDS0.125 INCHES BOTH ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-944-1404, 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
549-4086-002
NSN: 3020-00-944-1404
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialUNABLE TO DECODESTEEL CORROSION RESISTING THIRD GEARSTEEL CORROSION RESISTING THIRD GEAR
design_typeUNABLE TO DECODESPUR THIRD GEARSPUR THIRD GEAR
constructionASSEMBLEDASSEMBLED
surface_treatmentPASSIVATE SHAFT/HUBUNABLE TO DECODE
hub_nominal_lengthUNABLE TO DECODE0.125 INCHES BETWEEN SECOND AND THIRD GEAR0.125 INCHES BETWEEN SECOND AND THIRD GEAR IN
hub_nominal_diameterUNABLE TO DECODE0.125 INCHES BOTH ENDS0.125 INCHES BOTH ENDS IN
hub_style_designatorUNABLE TO DECODE1 STEP BOTH ENDS1 STEP BOTH ENDS
nominal_overall_length0.900 INCHES0.900 INCHES IN
nominal_outside_diameterUNABLE TO DECODE0.2375 INCHES THIRD GEAR0.2375 INCHES THIRD GEAR IN
NSN3020-00-944-1404
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,RADIO FREQUENCY TITLE COMPONENT PN 549-4086-002 MFR TRANSFORMER,RADIO FREQ
KEY FEATURES
•
HUB NOMINAL DIAMETER: UNABLE TO DECODE0.125 INCHES BOTH ENDS0.125 INCHES BOTH ENDS IN
•
DESIGN TYPE: UNABLE TO DECODESPUR SECOND GEARSPUR SECOND GEAR
•
NOMINAL OVERALL LENGTH: 0.900 INCHES0.900 INCHES IN
•
HUB STYLE DESIGNATOR: UNABLE TO DECODE1 STEP BOTH ENDS1 STEP BOTH ENDS
TECHNICAL CHARACTERISTICS
HUB NOMINAL DIAMETERUNABLE TO DECODE0.125 INCHES BOTH ENDS0.125 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETERUNABLE TO DECODE0.156 INCHES BETWEEN SECOND AND THIRD GEAR0.156 INCHES BETWEEN SECOND AND THIRD GEAR IN
DESIGN TYPEUNABLE TO DECODESPUR SECOND GEARSPUR SECOND GEAR
DESIGN TYPEUNABLE TO DECODESPUR FIRST GEARSPUR FIRST GEAR
DESIGN TYPEUNABLE TO DECODESPUR THIRD GEARSPUR THIRD GEAR
NOMINAL OVERALL LENGTH0.900 INCHES0.900 INCHES IN
HUB STYLE DESIGNATORUNABLE TO DECODE1 STEP BOTH ENDS1 STEP BOTH ENDS
HUB STYLE DESIGNATORUNABLE TO DECODEPLAIN BETWEEN SECOND AND THIRD GEARPLAIN BETWEEN SECOND AND THIRD GEAR
HUB NOMINAL LENGTHUNABLE TO DECODE0.125 INCHES BETWEEN SECOND AND THIRD GEAR0.125 INCHES BETWEEN SECOND AND THIRD GEAR IN
HUB NOMINAL LENGTHUNABLE TO DECODE0.163 INCHES SECOND END0.163 INCHES SECOND END IN
SUBSTITUTES & CROSS-REFERENCES 2
278-1844-00Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
278-1844-000Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 549-4086-002?
549-4086-002 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace 549-4086-002?
There are 2 known substitutes for 549-4086-002: 278-1844-00, 278-1844-000. Substitute compatibility should be verified for your specific system.
What is the NSN for 549-4086-002?
549-4086-002 is cataloged in the U.S. Government catalog under NSN 3020-00-944-1404. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.