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FD21-0053-01 — FLANGE,WAVEGUIDE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

FD21-0053-01: FLANGE,WAVEGUIDE.

The FLANGE,WAVEGUIDE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY ALL FLANGE, flange_depth: 2.25 INCHES NOMINAL ALL FLANGES IN, flange_style: COVER TYPE ALL FLANGES, flange_outside_diameter: 2.81 INCHES NOMINAL ALL FLANGES IN, flange_connecting_facility_and_quantity: 4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-651-3780, 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
FD21-0053-01
NSN: 5985-01-651-3780
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 4LP18 — SAT-LITE TECHNOLOGIES LLC DBA SAT LITE TECHNOLOGIES LTD (USA)
SPECIFICATIONS
materialALUMINUM ALLOY ALL FLANGE
flange_depth2.25 INCHES NOMINAL ALL FLANGES IN
flange_styleCOVER TYPE ALL FLANGES
flange_outside_diameter2.81 INCHES NOMINAL ALL FLANGES IN
flange_connecting_facility_and_quantity4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
NSN5985-01-651-3780
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FLANGE,WAVEGUIDE TITLE COMPONENT PN FD21-0053-01 MFR FLANGE,WAVEGUIDE
KEY FEATURES
•
FLANGE DEPTH: 2.25 INCHES NOMINAL ALL FLANGES IN
•
MATERIAL: ALUMINUM ALLOY ALL FLANGE
•
FLANGE CONNECTING FACILITY AND QUANTITY: 4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
•
FLANGE OUTSIDE DIAMETER: 2.81 INCHES NOMINAL ALL FLANGES IN
•
FLANGE STYLE: COVER TYPE ALL FLANGES
TECHNICAL CHARACTERISTICS
FLANGE DEPTH2.25 INCHES NOMINAL ALL FLANGES IN
MATERIALALUMINUM ALLOY ALL FLANGE
FLANGE CONNECTING FACILITY AND QUANTITY4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
FLANGE OUTSIDE DIAMETER2.81 INCHES NOMINAL ALL FLANGES IN
FLANGE STYLECOVER TYPE ALL FLANGES
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is FD21-0053-01?
FD21-0053-01 is a FLANGE,WAVEGUIDE.
What is the NSN for FD21-0053-01?
FD21-0053-01 is cataloged in the U.S. Government catalog under NSN 5985-01-651-3780. 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.