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PartsTable / COMPONENT / 290-3-0.3DB
290-3-0.3DB ✓ Verified by PartsTable
— · COMPONENT
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 290-3-0.3DB is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-052-0785, 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
290-3-0.3DB
NSN: 5985-01-052-0785
FSC: 5985
CAGE: 34078 — CINCH CONNECTIVITY SOLUTIONS INC (USA)
SPECIFICATIONS
Part Number290-3-0.3DB
NSN5985-01-052-0785
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 290-3-0.3DB TITLE COMPONENT PN 290-3-0.3DB MFR 290-3-0.3DB
KEY FEATURES
•
PRECIOUS MATERIAL: GOLD
•
FSC APPLICATION DATA: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
•
PRECIOUS MATERIAL AND LOCATION: SURFACES GOLD
•
POWER RATING: 2.0 WATTS AVERAGE2.0 WATTS AVERAGE
•
ATTENUATION ACCURACY IN DECIBELS: -0.30 TO 0.30-0.30 TO 0.30
•
COAXIAL CONNECTOR SERIES DESIGNATION: SMASMA
•
INPUT IMPEDANCE RATING IN OHMS: 50.050.0
TECHNICAL CHARACTERISTICS (FLIS)
PRECIOUS MATERIALGOLD
FSC APPLICATION DATAANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
PRECIOUS MATERIAL AND LOCATIONSURFACES GOLD
POWER RATING2.0 WATTS AVERAGE2.0 WATTS AVERAGE
ATTENUATION ACCURACY IN DECIBELS-0.30 TO 0.30-0.30 TO 0.30
COAXIAL CONNECTOR SERIES DESIGNATIONSMASMA
INPUT IMPEDANCE RATING IN OHMS50.050.0
SPECIAL FEATURESWEAPON SYSTEM ESSENTIALWEAPON SYSTEM ESSENTIAL
VOLTAGE STANDING WAVE RATIO1.071.07
OUTPUT IMPEDANCE RATING IN OHMS50.050.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
AMS-QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
2-900-3Interchangeable
interchangeable cross-reference
interchangeable
45130Interchangeable
interchangeable cross-reference
interchangeable
WA43Interchangeable
interchangeable cross-reference
interchangeable
WA39VInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 290-3-0.3DB?
290-3-0.3DB is a 290-3-0.3DB.
What parts can replace 290-3-0.3DB?
There are 17 known substitutes for 290-3-0.3DB: AMS-QQ-A-200/3, QQ-A-200/3, 2-900-3 and 14 more. Substitute compatibility should be verified for your specific system.
Is 290-3-0.3DB still available?
290-3-0.3DB is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026