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43140-00451-1 — ADAPTER,WAVEGUIDE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

43140-00451-1: 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: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM SINGLE FLANGE IN, flange_style: CHOKE TYPE SINGLE FLANGE, thread_class: 2B SINGLE FLANGE SINGLE CONNECTION FACILITY, adapter_height: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN, adapter_length: 2.170 INCHES MINIMUM AND 2.230 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-503-1409, 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
43140-00451-1
NSN: 5985-01-503-1409
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 02591 — NAVAL AIR WARFARE CTR AIRCRAFT DIV (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 SINGLE TUBING SEGMENT AND FLANGE
flange_depth0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM SINGLE FLANGE IN
flange_styleCHOKE TYPE SINGLE FLANGE
thread_class2B SINGLE FLANGE SINGLE CONNECTION FACILITY
adapter_height1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN
adapter_length2.170 INCHES MINIMUM AND 2.230 INCHES MAXIMUM IN
flange_quantity1
special_featuresFREQUENCY RANGE: 8.2-12.4 GHZ; POWER RATING: 250 W CW, 8 KW PEAK; VSWR: 1.10 TYPICAL; CONNECTOR STYLE: FEMALE SMA GHz
style_designatorWAVEGUIDE TO COAXIAL
thread_directionRIGHT-HAND SINGLE FLANGE SINGLE CONNECTION FACILITY
flange_inside_width0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM SINGLE FLANGE IN
nominal_thread_size0.164 INCHES SINGLE FLANGE SINGLE CONNECTION FACILITY IN
NSN5985-01-503-1409
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ADAPTER,WAVEGUIDE TITLE COMPONENT PN 43140-00451-1 MFR ADAPTER,WAVEGUIDE
KEY FEATURES
•
TUBING WALL CONSTRUCTION STYLE: SEAMLESS SINGLE TUBING SEGMENT
•
FLANGE INSIDE HEIGHT: 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM SINGLE FLANGE IN
•
FLANGE QUANTITY: 1
•
ADAPTER OVERALL WIDTH: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: WAVEGUIDE TO COAXIAL
•
WAVEGUIDE INSIDE WIDTH: 0.900 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
•
FLANGE OUTSIDE HEIGHT: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM SINGLE FLANGE IN
TECHNICAL CHARACTERISTICS
TUBING WALL CONSTRUCTION STYLESEAMLESS SINGLE TUBING SEGMENT
FLANGE INSIDE HEIGHT0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM SINGLE FLANGE IN
FLANGE QUANTITY1
ADAPTER OVERALL WIDTH1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN
STYLE DESIGNATORWAVEGUIDE TO COAXIAL
WAVEGUIDE INSIDE WIDTH0.900 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
FLANGE OUTSIDE HEIGHT1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM SINGLE FLANGE IN
ADAPTER OVERALL HEIGHT1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN
ADAPTER LENGTH2.170 INCHES MINIMUM AND 2.230 INCHES MAXIMUM 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 1
43140-00451Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 43140-00451-1?
43140-00451-1 is a ADAPTER,WAVEGUIDE.
What parts can replace 43140-00451-1?
There is 1 known substitute for 43140-00451-1: 43140-00451. Substitute compatibility should be verified for your specific system.
What is the NSN for 43140-00451-1?
43140-00451-1 is cataloged in the U.S. Government catalog under NSN 5985-01-503-1409. This indicates validated use in U.S. government and defense supply chains.
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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.