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L4490A — SWITCH,RADIO FREQUENCY TRANSMISS

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

L4490A: SWITCH,RADIO FREQUENCY TRANSMISS.

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include special_features: INCLUDES SWITCH DRIVE AND SPACE TO MOUNT RF COMPONENTS, part_name_assigned_by_controlling_agency: 2U RF SWITCH PLATFORM. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-651-1679, 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
L4490A
NSN: 5985-01-651-1679
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 7ZXR5 — KEYSIGHT TECHNOLOGIES INC (USA)
SPECIFICATIONS
special_featuresINCLUDES SWITCH DRIVE AND SPACE TO MOUNT RF COMPONENTS
part_name_assigned_by_controlling_agency2U RF SWITCH PLATFORM
NSN5985-01-651-1679
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,RADIO FREQUENCY TRANSMISS TITLE COMPONENT PN L4490A MFR SWITCH,RADIO FREQUENCY
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESINCLUDES SWITCH DRIVE AND SPACE TO MOUNT RF COMPONENTS
PART NAME ASSIGNED BY CONTROLLING AGENCY2U RF SWITCH PLATFORM
OTHER ITEMS IN FSC 5985 — Antennas, Waveguides, and Related Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5985-00-001-1854 5985-00-001-1862 5985-00-001-1869 5985-00-001-1870 5985-00-001-1871 5985-00-001-1874 5985-00-001-1875 5985-00-001-1876
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is L4490A?
L4490A is a SWITCH,RADIO FREQUENCY TRANSMISS.
What is the NSN for L4490A?
L4490A is cataloged in the U.S. Government catalog under NSN 5985-01-651-1679. 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.