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MD80K40 — ADAPTER,WAVEGUIDE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

MD80K40: ADAPTER,WAVEGUIDE.

The ADAPTER,WAVEGUIDE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE, flange_depth: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM FIRST FLANGE IN, flange_style: CHOKE TYPE FIRST FLANGE, thread_class: 2B SECOND FLANGE ALL CONNECTION FACILITIES, adapter_length: 1.195 INCHES MINIMUM AND 1.205 INCHES MAXIMUM IN, special_features: FLANGE FACES FREE FROM PAINT; INCLUDES LIMITER. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-009-1434, 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
MD80K40
NSN: 5985-01-009-1434
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 32187 — CAES MISSION SYSTEMS LLC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE
flange_depth0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM FIRST FLANGE IN
flange_styleCHOKE TYPE FIRST FLANGE
thread_class2B SECOND FLANGE ALL CONNECTION FACILITIES
adapter_length1.195 INCHES MINIMUM AND 1.205 INCHES MAXIMUM IN
flange_quantity2
special_featuresFLANGE FACES FREE FROM PAINT; INCLUDES LIMITER
style_designatorWAVEGUIDE TO WAVEGUIDE
thread_directionRIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES
flange_inside_width0.508 INCHES MINIMUM AND 0.512 INCHES MAXIMUM FIRST FLANGE IN
nominal_thread_size0.164 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN
flange_inside_height0.253 INCHES MINIMUM AND 0.257 INCHES MAXIMUM FIRST FLANGE IN
NSN5985-01-009-1434
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ADAPTER,WAVEGUIDE TITLE COMPONENT PN MD80K40 MFR ADAPTER,WAVEGUIDE
KEY FEATURES
•
FSC APPLICATION DATA: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
•
TUBING WALL CONSTRUCTION STYLE: SEAMLESS SINGLE TUBING SEGMENT
•
FLANGE INSIDE HEIGHT: 0.253 INCHES MINIMUM AND 0.257 INCHES MAXIMUM FIRST FLANGE IN
•
FLANGE QUANTITY: 2
•
NOMINAL THREAD LENGTH: 0.325 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN
•
STYLE DESIGNATOR: WAVEGUIDE TO WAVEGUIDE
•
FLANGE INSIDE DIAMETER: 1.280 INCHES NOMINAL FIRST FLANGE IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
TUBING WALL CONSTRUCTION STYLESEAMLESS SINGLE TUBING SEGMENT
FLANGE INSIDE HEIGHT0.253 INCHES MINIMUM AND 0.257 INCHES MAXIMUM FIRST FLANGE IN
FLANGE QUANTITY2
NOMINAL THREAD LENGTH0.325 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN
NOMINAL THREAD LENGTH1.000 INCHES SECOND FLANGE ALL CONNECTION FACILITIES IN
STYLE DESIGNATORWAVEGUIDE TO WAVEGUIDE
FLANGE INSIDE DIAMETER1.280 INCHES NOMINAL FIRST FLANGE IN
WAVEGUIDE INSIDE WIDTH0.510 INCHES NOMINAL AND 0.622 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
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
128SCAV651-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
HAZMAT per U.S. Government catalogAcquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is MD80K40?
MD80K40 is a ADAPTER,WAVEGUIDE.
What parts can replace MD80K40?
There is 1 known substitute for MD80K40: 128SCAV651-1. Substitute compatibility should be verified for your specific system.
What is the NSN for MD80K40?
MD80K40 is cataloged in the U.S. Government catalog under NSN 5985-01-009-1434. 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.