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9986740 — ATTENUATOR,FIXED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

9986740: ATTENUATOR,FIXED.

The ATTENUATOR,FIXED is a the manufacturer industrial component. Key specifications include power_rating: 500.0 MILLIWATTS AVERAGE, overall_width: 0.500 INCHES NOMINAL IN, overall_height: 1.156 INCHES NOMINAL IN, overall_length: 1.438 INCHES NOMINAL IN, mounting_method: THREADED HOLE(S), application_design: TRANSMISSION LINE. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-020-2226, 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
9986740
NSN: 5985-00-020-2226
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
power_rating500.0 MILLIWATTS AVERAGE
overall_width0.500 INCHES NOMINAL IN
overall_height1.156 INCHES NOMINAL IN
overall_length1.438 INCHES NOMINAL IN
mounting_methodTHREADED HOLE(S)
application_designTRANSMISSION LINE
terminal_type_and_quantity2 CONNECTOR
mounting_hole/stud_quantity4
input_impedance_rating_in_ohms50.0
output_impedance_rating_in_ohms50.0
rf_signal_attenuation_in_decibels6.0
unthreaded_mounting_hole_diameter0.099 INCHES NOMINAL IN
NSN5985-00-020-2226
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ATTENUATOR,FIXED TITLE COMPONENT PN 9986740 MFR ATTENUATOR,FIXED
KEY FEATURES
•
MOUNTING HOLE/STUD QUANTITY: 4
•
INPUT IMPEDANCE RATING IN OHMS: 50.0
•
MOUNTING METHOD: THREADED HOLE(S)
•
RF SIGNAL ATTENUATION IN DECIBELS: 6.0
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.099 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.156 INCHES NOMINAL IN
MOUNTING HOLE/STUD QUANTITY4
INPUT IMPEDANCE RATING IN OHMS50.0
MOUNTING METHODTHREADED HOLE(S)
RF SIGNAL ATTENUATION IN DECIBELS6.0
UNTHREADED MOUNTING HOLE DIAMETER0.099 INCHES NOMINAL IN
OVERALL LENGTH1.438 INCHES NOMINAL IN
OVERALL WIDTH0.500 INCHES NOMINAL IN
APPLICATION DESIGNTRANSMISSION LINE
POWER RATING500.0 MILLIWATTS AVERAGE
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 2
CA213B6DBReference document
Same NSN cross-reference
Reference document — Secondary reference
FXR308-10036Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9986740?
9986740 is a ATTENUATOR,FIXED.
What parts can replace 9986740?
There are 2 known substitutes for 9986740: CA213B6DB, FXR308-10036. Substitute compatibility should be verified for your specific system.
What is the NSN for 9986740?
9986740 is cataloged in the U.S. Government catalog under NSN 5985-00-020-2226. 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.