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1857554 — WAVEGUIDE ASSEMBLY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1857554: WAVEGUIDE ASSEMBLY.

The WAVEGUIDE ASSEMBLY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY ALL FLANGE, flange_depth: 0.938 INCHES NOMINAL ALL FLANGES IN, flange_style: CHOKE TYPE ALL FLANGES, style_designator: BEND TYPE, bend_angle_in_deg: 90.0 SINGLE BEND E-PLANE, surface_treatment: ENAMEL ALL FLANGE OUTSIDE SURFACES. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-672-3685, 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
1857554
NSN: 5985-00-672-3685
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialALUMINUM ALLOY ALL FLANGE
flange_depth0.938 INCHES NOMINAL ALL FLANGES IN
flange_styleCHOKE TYPE ALL FLANGES
flange_quantity2
style_designatorBEND TYPE
bend_angle_in_deg90.0 SINGLE BEND E-PLANE
surface_treatmentENAMEL ALL FLANGE OUTSIDE SURFACES
flange_inside_width1.872 INCHES NOMINAL ALL FLANGES IN
fsc_application_dataRADAR GUIDED MISSILE CONTROL EQUIPMENT
waveguide_inside_width1.872 INCHES NOMINAL IN
flange_outside_diameter3.625 INCHES NOMINAL ALL FLANGES IN
waveguide_inside_height0.872 INCHES NOMINAL IN
NSN5985-00-672-3685
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WAVEGUIDE ASSEMBLY TITLE COMPONENT PN 1857554 MFR WAVEGUIDE ASSEMBLY
KEY FEATURES
•
FSC APPLICATION DATA: RADAR GUIDED MISSILE CONTROL EQUIPMENT
•
FLANGE QUANTITY: 2
•
BEND ANGLE IN DEG: 90.0 SINGLE BEND E-PLANE
•
STYLE DESIGNATOR: BEND TYPE
•
WAVEGUIDE OFFSET DISTANCE: 2.250 INCHES NOMINAL IN
•
WAVEGUIDE INSIDE WIDTH: 1.872 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
•
FLANGE INSIDE WIDTH: 1.872 INCHES NOMINAL ALL FLANGES IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATARADAR GUIDED MISSILE CONTROL EQUIPMENT
FLANGE QUANTITY2
BEND ANGLE IN DEG90.0 SINGLE BEND E-PLANE
STYLE DESIGNATORBEND TYPE
WAVEGUIDE OFFSET DISTANCE2.250 INCHES NOMINAL IN
WAVEGUIDE INSIDE WIDTH1.872 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
FLANGE INSIDE WIDTH1.872 INCHES NOMINAL ALL FLANGES IN
WAVEGUIDE OUTSIDE HEIGHT1.000 INCHES NOMINAL IN
WAVEGUIDE OUTSIDE WIDTH2.000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
1003327Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedDemilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 1857554?
1857554 is a WAVEGUIDE ASSEMBLY.
What parts can replace 1857554?
There is 1 known substitute for 1857554: 1003327. Substitute compatibility should be verified for your specific system.
What is the NSN for 1857554?
1857554 is cataloged in the U.S. Government catalog under NSN 5985-00-672-3685. 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.