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SM-D-940508 — BASE,ANTENNA SUPPORT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

SM-D-940508: BASE,ANTENNA SUPPORT.

The BASE,ANTENNA SUPPORT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, thread_class: 2B, overall_length: 2.340 INCHES NOMINAL IN, mounting_method: THREADED HOLE(S), basic_shape_style: FRUSTUM, large_end_diameter: 2.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-326-1254, 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-940508
NSN: 5985-01-326-1254
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
thread_class2B
overall_length2.340 INCHES NOMINAL IN
mounting_methodTHREADED HOLE(S)
basic_shape_styleFRUSTUM
large_end_diameter2.250 INCHES NOMINAL IN
mounting_hole_typePLAIN
small_end_diameter0.380 INCHES NOMINAL IN
end_item_identification5830-01-198-6445 REPEATER RADIO
mounting_facility_quantity4
thread_size_and_series/type_designator2-56 UNIFIED NATIONAL COARSE (UNC)
NSN5985-01-326-1254
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BASE,ANTENNA SUPPORT TITLE COMPONENT PN SM-D-940508 MFR BASE,ANTENNA SUPPORT
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 4
•
MOUNTING METHOD: THREADED HOLE(S)
•
LARGE END DIAMETER: 2.250 INCHES NOMINAL IN
•
BASIC SHAPE STYLE: FRUSTUM
•
SMALL END DIAMETER: 0.380 INCHES NOMINAL IN
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY QUANTITY4
MOUNTING METHODTHREADED HOLE(S)
LARGE END DIAMETER2.250 INCHES NOMINAL IN
OVERALL LENGTH2.340 INCHES NOMINAL IN
BASIC SHAPE STYLEFRUSTUM
SMALL END DIAMETER0.380 INCHES NOMINAL IN
THREAD CLASS2B
END ITEM IDENTIFICATION5830-01-198-6445 REPEATER RADIO
MATERIALALUMINUM ALLOY
THREAD SIZE AND SERIES/TYPE DESIGNATOR2-56 UNIFIED NATIONAL COARSE (UNC)
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-940508?
SM-D-940508 is a BASE,ANTENNA SUPPORT.
What is the NSN for SM-D-940508?
SM-D-940508 is cataloged in the U.S. Government catalog under NSN 5985-01-326-1254. 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.