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55751-4000-01 — ANTENNA ASSEMBLY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

55751-4000-01: ANTENNA ASSEMBLY.

The ANTENNA ASSEMBLY is a the manufacturer industrial component. Key specifications include design_type: DIPOLE SINGLE ANTENNA ELEMENT, overall_height: 142.0 INCHES NOMINAL IN, overall_diameter: 55.0 INCHES NOMINAL IN, power_gain_in_decibels: 30.0 ALL ANTENNAS, electromagnetic_polarization_type: VERTICAL FIFTH ANTENNA, part_name_assigned_by_controlling_agency: INTEGRATED MAST DF ANTENNA. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-673-2231, 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
55751-4000-01
NSN: 5985-01-673-2231
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 26401 — SOUTHWEST RESEARCH INSTITUTE (USA)
SPECIFICATIONS
design_typeDIPOLE SINGLE ANTENNA ELEMENT
overall_height142.0 INCHES NOMINAL IN
overall_diameter55.0 INCHES NOMINAL IN
power_gain_in_decibels30.0 ALL ANTENNAS
electromagnetic_polarization_typeVERTICAL FIFTH ANTENNA
part_name_assigned_by_controlling_agencyINTEGRATED MAST DF ANTENNA
NSN5985-01-673-2231
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ANTENNA ASSEMBLY TITLE COMPONENT PN 55751-4000-01 MFR ANTENNA ASSEMBLY
KEY FEATURES
•
DESIGN TYPE: DIPOLE SINGLE ANTENNA ELEMENT
•
OVERALL DIAMETER: 55.0 INCHES NOMINAL IN
•
ELECTROMAGNETIC POLARIZATION TYPE: HORIZONTAL AND VERTICAL SECOND ANTENNA
•
POWER GAIN IN DECIBELS: 30.0 ALL ANTENNAS
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT142.0 INCHES NOMINAL IN
DESIGN TYPEDIPOLE SINGLE ANTENNA ELEMENT
OVERALL DIAMETER55.0 INCHES NOMINAL IN
ELECTROMAGNETIC POLARIZATION TYPEHORIZONTAL AND VERTICAL SECOND ANTENNA
ELECTROMAGNETIC POLARIZATION TYPEVERTICAL FIFTH ANTENNA
POWER GAIN IN DECIBELS30.0 ALL ANTENNAS
PART NAME ASSIGNED BY CONTROLLING AGENCYINTEGRATED MAST DF ANTENNA
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 55751-4000-01?
55751-4000-01 is a ANTENNA ASSEMBLY.
What is the NSN for 55751-4000-01?
55751-4000-01 is cataloged in the U.S. Government catalog under NSN 5985-01-673-2231. 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.