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91779553 — DUMMY LOAD,ELECTRICAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

91779553: DUMMY LOAD,ELECTRICAL.

The DUMMY LOAD,ELECTRICAL is a the manufacturer industrial component. Key specifications include power_rating: 1.000 WATTS PEAK, body_diameter: 0.255 INCHES NOMINAL IN, cooling_method: SELF-COOLED, overall_length: 1.690 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN, overall_diameter: 0.420 INCHES NOMINAL IN, style_designator: COAXIAL MOUNTED. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-408-9830, 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
91779553
NSN: 5985-01-408-9830
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: F0052 — THALES DMS FRANCE SAS (FRA)
SPECIFICATIONS
power_rating1.000 WATTS PEAK
body_diameter0.255 INCHES NOMINAL IN
cooling_methodSELF-COOLED
overall_length1.690 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
overall_diameter0.420 INCHES NOMINAL IN
style_designatorCOAXIAL MOUNTED
termination_typeCONNECTOR
operating_positionALL POSITIONS
frequency_range_rating+0.000 TO 60.000 MEGAHERTZ
end_item_identificationWSD: WASP CLASS LHD; THERMAL IMAGING SENSOR SYSTEM (TISS) MK 8 MOD 0; HELICOPTER OBSERVATION (AHIP), OH-58D; SPRUANCE CLASS DD (963)
impedance_rating_in_ohms78.0 NOMINAL
NSN5985-01-408-9830
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DUMMY LOAD,ELECTRICAL TITLE COMPONENT PN 91779553 MFR DUMMY LOAD,ELECTRICAL
KEY FEATURES
•
BODY DIAMETER: 0.255 INCHES NOMINAL IN
•
OPERATING POSITION: ALL POSITIONS
•
TERMINATION TYPE: CONNECTOR
•
OVERALL DIAMETER: 0.420 INCHES NOMINAL IN
•
STYLE DESIGNATOR: COAXIAL MOUNTED
•
COOLING METHOD: SELF-COOLED
•
IMPEDANCE RATING IN OHMS: 78.0 NOMINAL
TECHNICAL CHARACTERISTICS
BODY DIAMETER0.255 INCHES NOMINAL IN
OPERATING POSITIONALL POSITIONS
TERMINATION TYPECONNECTOR
OVERALL DIAMETER0.420 INCHES NOMINAL IN
STYLE DESIGNATORCOAXIAL MOUNTED
COOLING METHODSELF-COOLED
OVERALL LENGTH1.690 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
IMPEDANCE RATING IN OHMS78.0 NOMINAL
FREQUENCY RANGE RATING+0.000 TO 60.000 MEGAHERTZ
END ITEM IDENTIFICATIONWSD: WASP CLASS LHD; THERMAL IMAGING SENSOR SYSTEM (TISS) MK 8 MOD 0; HELICOPTER OBSERVATION (AHIP), OH-58D; SPRUANCE CLASS DD (963)
SUBSTITUTES & CROSS-REFERENCES 2
D-621-0413Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
233403Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 91779553?
91779553 is a DUMMY LOAD,ELECTRICAL.
What parts can replace 91779553?
There are 2 known substitutes for 91779553: D-621-0413, 233403. Substitute compatibility should be verified for your specific system.
What is the NSN for 91779553?
91779553 is cataloged in the U.S. Government catalog under NSN 5985-01-408-9830. 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.