NSN 5985-01-673-2231 · NIIN 016732231 · Part number 55751-4000-01
Southwest Research Institute · FSC 5985 — Antennas, Waveguides, and Related Equipment · FSG 59 — Electrical and Electronic Equipment Components · CAGE 26401
Government record, cited
NSN 5985-01-673-2231 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-673-2231. Manufacturer of record part number: 55751-4000-01.
Also searched as5985-01-673-2231 ·
5985016732231 ·
NIIN 016732231 ·
01-673-2231 ·
FSC 5985 Antennas, Waveguides, and Related Equipment · CAGE 26401 · 55751-4000-01
Manufacturer of record: Southwest Research Institute
Identification
NSN: 5985-01-673-2231
NIIN: 016732231
FSC: 5985 — Antennas, Waveguides, and Related Equipment
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 55751-4000-01
Manufacturer: Southwest Research Institute
General Description
The Antenna Assembly, cataloged under National Stock Number 5985-01-673-2231, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Southwest Research Institute. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5985-01-673-2231
Primary Part Number
55751-4000-01
Item Name
Antenna Assembly
FSC / FSG
5985 / 59 — Antennas, Waveguides, and Related Equipment
Manufacturer
Southwest Research Institute
Status
ACTIVE
Design Type
DIPOLE SINGLE ANTENNA ELEMENT
Overall Diameter
55.0 INCHES NOMINAL IN
Electromagnetic Polarization Type
HORIZONTAL AND VERTICAL SECOND ANTENNA
Electromagnetic Polarization Type
VERTICAL FIFTH ANTENNA
Power Gain in Decibels
30.0 ALL ANTENNAS
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
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
ANTENNA
5985-00-001-1862
WAVEGUIDE ASSEMBLY
5985-00-001-1869
WAVEGUIDE ASSEMBLY
5985-00-001-1870
WAVEGUIDE ASSEMBLY
5985-00-001-1871
WAVEGUIDE ASSEMBLY
5985-00-001-1874
WAVEGUIDE ASSEMBLY
5985-00-001-1875
ADAPTER,WAVEGUIDE
5985-00-001-1876
WAVEGUIDE ASSEMBLY
Frequently Asked Questions
What is NSN 5985-01-673-2231?
NSN 5985-01-673-2231 is a Antenna Assembly, manufactured by Southwest Research Institute, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
What part numbers are listed for NSN 5985-01-673-2231?
NSN 5985-01-673-2231 has 1 manufacturer part number on file: 55751-4000-01 (Southwest Research Institute).
What are the specifications of 55751-4000-01?
Key specifications for 55751-4000-01: Overall Height: 142.0 INCHES NOMINAL IN; Design Type: DIPOLE SINGLE ANTENNA ELEMENT; Overall Diameter: 55.0 INCHES NOMINAL IN; Electromagnetic Polarization Type: HORIZONTAL AND VERTICAL SECOND ANTENNA. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5985-01-673-2231 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.