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P40-203-2 — ADAPTER,WAVEGUIDE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

P40-203-2: ADAPTER,WAVEGUIDE.

The ADAPTER,WAVEGUIDE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 SINGLE TUBING SEGMENT AND FLANGE, flange_depth: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM SINGLE FLANGE IN, flange_style: CHOKE TYPE SINGLE FLANGE, thread_class: 2B SINGLE FLANGE ALL CONNECTION FACILITIES, adapter_height: 1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM IN, adapter_length: 0.800 INCHES MINIMUM AND 1.200 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-324-0179, 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
P40-203-2
NSN: 5985-01-324-0179
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 06351 — MICROWAVE ENGINEERING CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 SINGLE TUBING SEGMENT AND FLANGE
flange_depth0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM SINGLE FLANGE IN
flange_styleCHOKE TYPE SINGLE FLANGE
thread_class2B SINGLE FLANGE ALL CONNECTION FACILITIES
adapter_height1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM IN
adapter_length0.800 INCHES MINIMUM AND 1.200 INCHES MAXIMUM IN
flange_quantity1
special_featuresFREQUENCY RANGE 12.4 TO 18.0 GHZ GHz
style_designatorWAVEGUIDE TO COAXIAL
thread_directionRIGHT-HAND SINGLE FLANGE ALL CONNECTION FACILITIES
surface_treatmentCHROMATE SINGLE TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
flange_inside_width0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM SINGLE FLANGE IN
NSN5985-01-324-0179
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ADAPTER,WAVEGUIDE TITLE COMPONENT PN P40-203-2 MFR ADAPTER,WAVEGUIDE
KEY FEATURES
•
FSC APPLICATION DATA: RADAR EQUIPMENT
•
TUBING WALL CONSTRUCTION STYLE: SEAMLESS SINGLE TUBING SEGMENT
•
FLANGE INSIDE HEIGHT: 0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM SINGLE FLANGE IN
•
FLANGE QUANTITY: 1
•
VOLTAGE STANDING WAVE RATIO: 1.04
•
ADAPTER OVERALL WIDTH: 1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: WAVEGUIDE TO COAXIAL
•
FLANGE INSIDE DIAMETER: 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM SINGLE FLANGE IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATARADAR EQUIPMENT
TUBING WALL CONSTRUCTION STYLESEAMLESS SINGLE TUBING SEGMENT
FLANGE INSIDE HEIGHT0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM SINGLE FLANGE IN
FLANGE QUANTITY1
VOLTAGE STANDING WAVE RATIO1.04
ADAPTER OVERALL WIDTH1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM IN
STYLE DESIGNATORWAVEGUIDE TO COAXIAL
FLANGE INSIDE DIAMETER0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM SINGLE FLANGE IN
WAVEGUIDE INSIDE WIDTH0.6195 INCHES MINIMUM AND 0.6245 INCHES MAXIMUM IN
CONNECTOR END DESIGNFEMALE
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
988753-3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 P40-203-2?
P40-203-2 is a ADAPTER,WAVEGUIDE.
What parts can replace P40-203-2?
There is 1 known substitute for P40-203-2: 988753-3. Substitute compatibility should be verified for your specific system.
What is the NSN for P40-203-2?
P40-203-2 is cataloged in the U.S. Government catalog under NSN 5985-01-324-0179. This indicates validated use in U.S. government and defense supply chains.
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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.