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B40-176 — ADAPTER,WAVEGUIDE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

B40-176: ADAPTER,WAVEGUIDE.

The ADAPTER,WAVEGUIDE is a the manufacturer industrial component. Key specifications include adapter_height: 2.290 INCHES NOMINAL IN, adapter_length: 2.130 INCHES NOMINAL IN, style_designator: WAVEGUIDE TO COAXIAL, connector_end_design: FEMALE, adapter_overall_width: 2.850 INCHES NOMINAL IN, insertion_loss_in_decibels: 0.10. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-032-3674, 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
B40-176
NSN: 5985-01-032-3674
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 06351 — MICROWAVE ENGINEERING CORPORATION (USA)
SPECIFICATIONS
adapter_height2.290 INCHES NOMINAL IN
adapter_length2.130 INCHES NOMINAL IN
flange_quantity1
style_designatorWAVEGUIDE TO COAXIAL
connector_end_designFEMALE
adapter_overall_width2.850 INCHES NOMINAL IN
insertion_loss_in_decibels0.10
voltage_standing_wave_ratio1.10
coaxial_connector_series_designationTNC
NSN5985-01-032-3674
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ADAPTER,WAVEGUIDE TITLE COMPONENT PN B40-176 MFR ADAPTER,WAVEGUIDE
KEY FEATURES
•
FLANGE QUANTITY: 1
•
VOLTAGE STANDING WAVE RATIO: 1.10
•
ADAPTER OVERALL WIDTH: 2.850 INCHES NOMINAL IN
•
STYLE DESIGNATOR: WAVEGUIDE TO COAXIAL
•
CONNECTOR END DESIGN: FEMALE
•
ADAPTER LENGTH: 2.130 INCHES NOMINAL IN
•
INSERTION LOSS IN DECIBELS: 0.10
•
ADAPTER HEIGHT: 2.290 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE QUANTITY1
VOLTAGE STANDING WAVE RATIO1.10
ADAPTER OVERALL WIDTH2.850 INCHES NOMINAL IN
STYLE DESIGNATORWAVEGUIDE TO COAXIAL
CONNECTOR END DESIGNFEMALE
ADAPTER LENGTH2.130 INCHES NOMINAL IN
INSERTION LOSS IN DECIBELS0.10
ADAPTER HEIGHT2.290 INCHES NOMINAL IN
COAXIAL CONNECTOR SERIES DESIGNATIONTNC
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
581R971H04Reference 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 — mutilation
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FREQUENTLY ASKED QUESTIONS
What is B40-176?
B40-176 is a ADAPTER,WAVEGUIDE.
What parts can replace B40-176?
There is 1 known substitute for B40-176: 581R971H04. Substitute compatibility should be verified for your specific system.
What is the NSN for B40-176?
B40-176 is cataloged in the U.S. Government catalog under NSN 5985-01-032-3674. 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.