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9138283 — ATTENUATOR,VARIABLE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

9138283: ATTENUATOR,VARIABLE.

The ATTENUATOR,VARIABLE is a the manufacturer industrial component. Key specifications include power_rating: 1.0 WATTS AVERAGE, overall_width: 5.625 INCHES NOMINAL IN, overall_length: 7.000 INCHES NOMINAL IN, application_design: WAVEGUIDE, terminal_type_and_quantity: 2 FLANGE, voltage_standing_wave_ratio: 15.00. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-686-3986, 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
9138283
NSN: 5985-00-686-3986
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
power_rating1.0 WATTS AVERAGE
overall_width5.625 INCHES NOMINAL IN
overall_length7.000 INCHES NOMINAL IN
application_designWAVEGUIDE
terminal_type_and_quantity2 FLANGE
voltage_standing_wave_ratio15.00
attenuation_variation_methodCONTINUOUS
unthreaded_mounting_hole_diameter0.169 INCHES NOMINAL IN
mounting_facility_type_and_quantity4 TERMINAL
overall_attenuation_range_in_decibels+0.0 TO 40.0
NSN5985-00-686-3986
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ATTENUATOR,VARIABLE TITLE COMPONENT PN 9138283 MFR ATTENUATOR,VARIABLE
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 4 TERMINAL
•
OVERALL ATTENUATION RANGE IN DECIBELS: +0.0 TO 40.0
•
VOLTAGE STANDING WAVE RATIO: 15.00
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.169 INCHES NOMINAL IN
•
ATTENUATION VARIATION METHOD: CONTINUOUS
•
APPLICATION DESIGN: WAVEGUIDE
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY4 TERMINAL
OVERALL ATTENUATION RANGE IN DECIBELS+0.0 TO 40.0
VOLTAGE STANDING WAVE RATIO15.00
UNTHREADED MOUNTING HOLE DIAMETER0.169 INCHES NOMINAL IN
OVERALL LENGTH7.000 INCHES NOMINAL IN
ATTENUATION VARIATION METHODCONTINUOUS
OVERALL WIDTH5.625 INCHES NOMINAL IN
APPLICATION DESIGNWAVEGUIDE
TERMINAL TYPE AND QUANTITY2 FLANGE
POWER RATING1.0 WATTS 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 1
185BS1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9138283?
9138283 is a ATTENUATOR,VARIABLE.
What parts can replace 9138283?
There is 1 known substitute for 9138283: 185BS1. Substitute compatibility should be verified for your specific system.
What is the NSN for 9138283?
9138283 is cataloged in the U.S. Government catalog under NSN 5985-00-686-3986. 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.