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G7123-578 — SWITCH,WAVEGUIDE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

G7123-578: SWITCH,WAVEGUIDE.

The SWITCH,WAVEGUIDE is a the manufacturer industrial component. Key specifications include body_style: RECTANGULAR, switch_type: NONTRANSFER, overall_width: 1.310 INCHES NOMINAL IN, overall_height: 1.310 INCHES NOMINAL IN, overall_length: 2.125 INCHES NOMINAL IN, special_features: CORROSION RESISTANT HARDWARE. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-043-1126, 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
G7123-578
NSN: 5985-00-043-1126
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 0D0D0 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
body_styleRECTANGULAR
switch_typeNONTRANSFER
overall_width1.310 INCHES NOMINAL IN
pole_quantity1
overall_height1.310 INCHES NOMINAL IN
overall_length2.125 INCHES NOMINAL IN
throw_quantity1
special_featuresCORROSION RESISTANT HARDWARE
operating_temp_range-55.0 TO 85.0 CELSIUS DEGC
waveguide_flange_typeCHOKE AND COVER
actuator_operating_methodRELAY
insertion_loss_in_decibels1.00 SINGLE
NSN5985-00-043-1126
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,WAVEGUIDE TITLE COMPONENT PN G7123-578 MFR SWITCH,WAVEGUIDE
KEY FEATURES
•
WAVEGUIDE FLANGE TYPE: CHOKE AND COVER
•
BODY STYLE: RECTANGULAR
•
VOLTAGE STANDING WAVE RATIO: 1.30 SINGLE
•
POLE QUANTITY: 1
•
SWITCH RETURN MECHANISM TYPE: FAIL-SAFE
TECHNICAL CHARACTERISTICS
WAVEGUIDE FLANGE TYPECHOKE AND COVER
OVERALL HEIGHT1.310 INCHES NOMINAL IN
BODY STYLERECTANGULAR
VOLTAGE STANDING WAVE RATIO1.30 SINGLE
POLE QUANTITY1
SWITCH RETURN MECHANISM TYPEFAIL-SAFE
OVERALL LENGTH2.125 INCHES NOMINAL IN
OVERALL WIDTH1.310 INCHES NOMINAL IN
MINIMUM CROSSTALK RATING IN DECIBELS60.0 SINGLE
SWITCH TYPENONTRANSFER
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
G128-218-001Reference document
Same NSN cross-reference
Reference document — Secondary reference
MA83201Z7Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is G7123-578?
G7123-578 is a SWITCH,WAVEGUIDE.
What parts can replace G7123-578?
There are 2 known substitutes for G7123-578: G128-218-001, MA83201Z7. Substitute compatibility should be verified for your specific system.
What is the NSN for G7123-578?
G7123-578 is cataloged in the U.S. Government catalog under NSN 5985-00-043-1126. 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.