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1667021 — WAVEGUIDE ASSEMBLY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1667021: WAVEGUIDE ASSEMBLY.

The WAVEGUIDE ASSEMBLY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALL FLANGE, flexibility: RIGID SINGLE TUBING SEGMENT, flange_depth: 0.438 INCHES NOMINAL SECOND FLANGE0.438 INCHES NOMINAL SECOND FLANGE IN, flange_style: COVER TYPE SECOND FLANGE, thread_class: 2B FIRST FLANGE SINGLE CONNECTION FACILITY2B FIRST FLANGE SINGLE CONNECTION FACILITY, flange_quantity: 22. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-967-1985, 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
1667021
NSN: 5985-00-967-1985
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialALUMINUM ALL FLANGE
flexibilityRIGID SINGLE TUBING SEGMENT
flange_depth0.438 INCHES NOMINAL SECOND FLANGE0.438 INCHES NOMINAL SECOND FLANGE IN
flange_styleCOVER TYPE SECOND FLANGE
thread_class2B FIRST FLANGE SINGLE CONNECTION FACILITY2B FIRST FLANGE SINGLE CONNECTION FACILITY
flange_quantity22
style_designatorSTRAIGHT TYPE
thread_directionRIGHT-HAND FIRST FLANGE SINGLE CONNECTION FACILITYRIGHT-HAND FIRST FLANGE SINGLE CONNECTION FACILITY
waveguide_length3.781 INCHES NOMINAL IN
surface_treatmentANODIZE ALL FLANGE INSIDE SURFACES
flange_inside_width1.122 INCHES NOMINAL FIRST FLANGE1.122 INCHES NOMINAL FIRST FLANGE IN
nominal_thread_size0.164 INCHES FIRST FLANGE SINGLE CONNECTION FACILITY0.164 INCHES FIRST FLANGE SINGLE CONNECTION FACILITY IN
NSN5985-00-967-1985
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WAVEGUIDE ASSEMBLY TITLE COMPONENT PN 1667021 MFR WAVEGUIDE ASSEMBLY
KEY FEATURES
•
TUBING WALL CONSTRUCTION STYLE: SEAMLESS SINGLE TUBING SEGMENTSEAMLESS SINGLE TUBING SEGMENT
•
FLANGE INSIDE HEIGHT: 0.497 INCHES NOMINAL FIRST FLANGE0.497 INCHES NOMINAL FIRST FLANGE IN
•
FLANGE QUANTITY: 22
•
STYLE DESIGNATOR: STRAIGHT TYPE
•
FLEXIBILITY: RIGID SINGLE TUBING SEGMENT
•
WAVEGUIDE INSIDE WIDTH: 1.122 INCHES NOMINAL1.122 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULARINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
TECHNICAL CHARACTERISTICS
TUBING WALL CONSTRUCTION STYLESEAMLESS SINGLE TUBING SEGMENTSEAMLESS SINGLE TUBING SEGMENT
FLANGE INSIDE HEIGHT0.497 INCHES NOMINAL FIRST FLANGE0.497 INCHES NOMINAL FIRST FLANGE IN
FLANGE INSIDE HEIGHT0.628 INCHES NOMINAL SECOND FLANGE0.628 INCHES NOMINAL SECOND FLANGE IN
FLANGE QUANTITY22
STYLE DESIGNATORSTRAIGHT TYPE
FLEXIBILITYRIGID SINGLE TUBING SEGMENT
WAVEGUIDE INSIDE WIDTH1.122 INCHES NOMINAL1.122 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEINTERNAL, RECTANGULAR EXTERNAL, RECTANGULARINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
FLANGE OUTSIDE HEIGHT1.875 INCHES NOMINAL FIRST FLANGE1.875 INCHES NOMINAL FIRST FLANGE IN
FLANGE OUTSIDE HEIGHT1.875 INCHES NOMINAL SECOND FLANGE1.875 INCHES NOMINAL SECOND FLANGE 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
3076-1117G1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1667021?
1667021 is a WAVEGUIDE ASSEMBLY.
What parts can replace 1667021?
There is 1 known substitute for 1667021: 3076-1117G1. Substitute compatibility should be verified for your specific system.
What is the NSN for 1667021?
1667021 is cataloged in the U.S. Government catalog under NSN 5985-00-967-1985. 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.