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M186B — ATTENUATOR,FIXED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

M186B: ATTENUATOR,FIXED.

The ATTENUATOR,FIXED is a the manufacturer industrial component. Key specifications include body_style: RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES, body_length: 0.812 INCHES NOMINAL IN, overall_width: 0.625 INCHES NOMINAL IN, overall_height: 1.250 INCHES NOMINAL IN, overall_length: 1.562 INCHES NOMINAL IN, frequency_range: 0.400 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-032-6620, 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
M186B
NSN: 5985-01-032-6620
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 11332 — GENERAL MICROWAVE CORPORATION DIV KRATOS MICROWAVE ELECTRONICS (USA)
SPECIFICATIONS
body_styleRECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES
body_length0.812 INCHES NOMINAL IN
overall_width0.625 INCHES NOMINAL IN
overall_height1.250 INCHES NOMINAL IN
overall_length1.562 INCHES NOMINAL IN
frequency_range0.400 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM
mounting_methodUNTHREADED HOLE(S)
application_designTRANSMISSION LINE
terminal_type_and_quantity4 CONNECTOR
mounting_hole/stud_quantity2
voltage_standing_wave_ratio2.00
connection_type_per_functionFEMALE INPUT AND FEMALE OUTPUT
NSN5985-01-032-6620
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ATTENUATOR,FIXED TITLE COMPONENT PN M186B MFR ATTENUATOR,FIXED
KEY FEATURES
•
MOUNTING HOLE/STUD QUANTITY: 2
•
FREQUENCY RANGE: 0.400 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM
•
BODY STYLE: RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 0.656 INCHES NOMINAL IN
•
VOLTAGE STANDING WAVE RATIO: 2.00
•
INPUT IMPEDANCE RATING IN OHMS: 50.0
•
MOUNTING METHOD: UNTHREADED HOLE(S)
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.250 INCHES NOMINAL IN
MOUNTING HOLE/STUD QUANTITY2
FREQUENCY RANGE0.400 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM
BODY STYLERECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH0.656 INCHES NOMINAL IN
VOLTAGE STANDING WAVE RATIO2.00
INPUT IMPEDANCE RATING IN OHMS50.0
MOUNTING METHODUNTHREADED HOLE(S)
RF SIGNAL ATTENUATION IN DECIBELS40.0
UNTHREADED MOUNTING HOLE DIAMETER0.101 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
M1868Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is M186B?
M186B is a ATTENUATOR,FIXED.
What parts can replace M186B?
There is 1 known substitute for M186B: M1868. Substitute compatibility should be verified for your specific system.
What is the NSN for M186B?
M186B is cataloged in the U.S. Government catalog under NSN 5985-01-032-6620. 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.