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SM-D-939990 — SUPPORT,ANTENNA

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

SM-D-939990: SUPPORT,ANTENNA.

The SUPPORT,ANTENNA is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, overall_width: 3.000 INCHES NOMINAL IN, overall_height: 0.840 INCHES NOMINAL IN, overall_length: 3.000 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S), basic_shape_style: IRREGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-326-2797, 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
SM-D-939990
NSN: 5985-01-326-2797
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
overall_width3.000 INCHES NOMINAL IN
overall_height0.840 INCHES NOMINAL IN
overall_length3.000 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
basic_shape_styleIRREGULAR
surface_treatmentPAINT
mounting_hole_typePLAIN
mounting_hole_diameter0.343 INCHES NOMINAL IN
end_item_identificationREPEATER,RADIO 5830-01-198-6445
mounting_facility_quantity3
mounting_facility_circle_radius2.500 INCHES NOMINAL IN
NSN5985-01-326-2797
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SUPPORT,ANTENNA TITLE COMPONENT PN SM-D-939990 MFR SUPPORT,ANTENNA
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 3
•
MOUNTING FACILITY CIRCLE RADIUS: 2.500 INCHES NOMINAL IN
•
MOUNTING METHOD: UNTHREADED HOLE(S)
•
MOUNTING HOLE DIAMETER: 0.343 INCHES NOMINAL IN
•
ANGLE BETWEEN ADJACENT MOUNTING FACILITIES IN DEG: 120.0
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.840 INCHES NOMINAL IN
MOUNTING FACILITY QUANTITY3
MOUNTING FACILITY CIRCLE RADIUS2.500 INCHES NOMINAL IN
MOUNTING METHODUNTHREADED HOLE(S)
MOUNTING HOLE DIAMETER0.343 INCHES NOMINAL IN
OVERALL LENGTH3.000 INCHES NOMINAL IN
OVERALL WIDTH3.000 INCHES NOMINAL IN
ANGLE BETWEEN ADJACENT MOUNTING FACILITIES IN DEG120.0
BASIC SHAPE STYLEIRREGULAR
SURFACE TREATMENTPAINT
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
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is SM-D-939990?
SM-D-939990 is a SUPPORT,ANTENNA.
What is the NSN for SM-D-939990?
SM-D-939990 is cataloged in the U.S. Government catalog under NSN 5985-01-326-2797. 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.