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90LW339 — DUMMY LOAD,ELECTRICAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

90LW339: DUMMY LOAD,ELECTRICAL.

The DUMMY LOAD,ELECTRICAL is a the manufacturer industrial component. Key specifications include body_width: 1.625 INCHES NOMINAL IN, body_height: 1.625 INCHES NOMINAL IN, power_rating: 4.000 WATTS AVERAGE, cooling_method: SELF-COOLED, overall_length: 1.070 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN, style_designator: WAVEGUIDE MOUNTED. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-951-6902, 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
90LW339
NSN: 5985-00-951-6902
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 01456 — MICROWAVE DEVELOPMENT LABORATORIES, INC. DBA MICROWAVE DEVELOPMENT LABORATORIES INC (USA)
SPECIFICATIONS
body_width1.625 INCHES NOMINAL IN
body_height1.625 INCHES NOMINAL IN
power_rating4.000 WATTS AVERAGE
cooling_methodSELF-COOLED
overall_length1.070 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN
style_designatorWAVEGUIDE MOUNTED
termination_typeWAVEGUIDE FLANGE
operating_positionALL POSITIONS
frequency_range_rating+9.000 TO 10.000 GIGAHERTZ
voltage_standing_wave_ratio1.15
waveguide_flange_designationUG135/U
ambient_temp_at_full_rated_power55.0 CELSIUS DEGC
NSN5985-00-951-6902
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DUMMY LOAD,ELECTRICAL TITLE COMPONENT PN 90LW339 MFR DUMMY LOAD,ELECTRICAL
KEY FEATURES
•
OPERATING POSITION: ALL POSITIONS
•
TERMINATION TYPE: WAVEGUIDE FLANGE
•
VOLTAGE STANDING WAVE RATIO: 1.15
•
WAVEGUIDE FLANGE DESIGNATION: UG135/U
•
BODY WIDTH: 1.625 INCHES NOMINAL IN
•
BODY HEIGHT: 1.625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: WAVEGUIDE MOUNTED
•
COOLING METHOD: SELF-COOLED
TECHNICAL CHARACTERISTICS
OPERATING POSITIONALL POSITIONS
TERMINATION TYPEWAVEGUIDE FLANGE
VOLTAGE STANDING WAVE RATIO1.15
WAVEGUIDE FLANGE DESIGNATIONUG135/U
BODY WIDTH1.625 INCHES NOMINAL IN
BODY HEIGHT1.625 INCHES NOMINAL IN
STYLE DESIGNATORWAVEGUIDE MOUNTED
COOLING METHODSELF-COOLED
OVERALL LENGTH1.070 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN
AMBIENT TEMP AT FULL RATED POWER55.0 CELSIUS DEGC
SUBSTITUTES & CROSS-REFERENCES 1
253363Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementDemilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 90LW339?
90LW339 is a DUMMY LOAD,ELECTRICAL.
What parts can replace 90LW339?
There is 1 known substitute for 90LW339: 253363. Substitute compatibility should be verified for your specific system.
What is the NSN for 90LW339?
90LW339 is cataloged in the U.S. Government catalog under NSN 5985-00-951-6902. 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.