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4M656-1A — COUPLING,WAVEGUIDE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4M656-1A: COUPLING,WAVEGUIDE.

The COUPLING,WAVEGUIDE is a the manufacturer industrial component. Key specifications include style_designator: RECTANGULAR, coupling_outside_width: 3.500 INCHES NOMINAL IN, coupling_outside_height: 2.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-280-4169, 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
4M656-1A
NSN: 5985-00-280-4169
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
style_designatorRECTANGULAR
coupling_outside_width3.500 INCHES NOMINAL IN
coupling_outside_height2.000 INCHES NOMINAL IN
NSN5985-00-280-4169
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,WAVEGUIDE TITLE COMPONENT PN 4M656-1A MFR COUPLING,WAVEGUIDE
KEY FEATURES
•
COUPLING OUTSIDE WIDTH: 3.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECTANGULAR
•
COUPLING OUTSIDE HEIGHT: 2.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
COUPLING OUTSIDE WIDTH3.500 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR
COUPLING OUTSIDE HEIGHT2.000 INCHES NOMINAL IN
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4M656-1A?
4M656-1A is a COUPLING,WAVEGUIDE.
What is the NSN for 4M656-1A?
4M656-1A is cataloged in the U.S. Government catalog under NSN 5985-00-280-4169. 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.