PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

550-3A-03Antenna

Technlogy for Cmmncations Intl · NSN 5985-00-451-9823 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-451-9823 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-451-9823. Primary manufacturer part number: 550-3A-03.
Features
  • Antenna — FSC 5985
  • Overall Diameter: 290.000 FEET MAXIMUM FT
  • Design Type: CONICAL SINGLE ANTENNA ELEMENT
  • Frequency Rating: 3.000 MEGAHERTZ MINIMUM AND 30.000 MEGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT
  • Radiation Pattern: OMNIDIRECTIONAL SINGLE ANTENNA ELEMENT
  • Electromagnetic Polarization Type: VERTICAL SINGLE ANTENNA ELEMENT
  • Beam Scanning Method: FIXED SINGLE ANTENNA ELEMENT
  • Characteristic Impedance in Ohms: 50.0 SINGLE ANTENNA ELEMENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Antenna, cataloged under National Stock Number 5985-00-451-9823, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Technlogy for Cmmncations Intl. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-451-9823
Primary Part Number550-3A-03
Item NameAntenna
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerTechnlogy for Cmmncations Intl
StatusACTIVE
Overall Diameter290.000 FEET MAXIMUM FT
Design TypeCONICAL SINGLE ANTENNA ELEMENT
Frequency Rating3.000 MEGAHERTZ MINIMUM AND 30.000 MEGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT
Radiation PatternOMNIDIRECTIONAL SINGLE ANTENNA ELEMENT
Electromagnetic Polarization TypeVERTICAL SINGLE ANTENNA ELEMENT
Beam Scanning MethodFIXED SINGLE ANTENNA ELEMENT
Characteristic Impedance in Ohms50.0 SINGLE ANTENNA ELEMENT
Supplementary FeaturesCOMPLETE ANTENNA INCLUDES:TOWER,GUYS,EMBEDMENT HARDWARE,LIGHTNING ARRESTOR AND STATIC DRAIN,CURTAINS,CATENARIES,GROUND SCREEN AND GROUND RODS,MATCHING UNIT,ASSEMBLY HARDWARE
Power Rating10.000 KILOWATTS AVERAGE AND 20.000 KILOWATTS PEAK SINGLE ANTENNA ELEMENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3455-00-320-9827 INTERCHANGEABLE
Cutter,milling,end
5930-00-393-604323RR6453 INTERCHANGEABLE
Switch,push
Fwd Seagrave Holdings Lp
6240-00-485-599830900006 INTERCHANGEABLE
Lamp,incandescent
Kollmorgen Corp Macbeth Div
5975-00-498-8065 INTERCHANGEABLE
Strand Service Sleeve
5360-00-677-80456453 INTERCHANGEABLE
Spring,helical,extension
Gc/waldom Inc
5210-01-063-33526453 INTERCHANGEABLE
Gage,thickness,dial Indicating
Central Tools, Inc.
6640-01-075-83546453 INTERCHANGEABLE
Test Tube,blood Collecting
Becton, Dickinson and Co Dba Becton Dickinson & Co
5915-01-151-1268293-1292-050 INTERCHANGEABLE
Filter,band Pass
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5340-01-365-36336453 INTERCHANGEABLE
Bracket,angle
Carlisle & Finch Co
6760-01-463-07286453 INTERCHANGEABLE
Case,photographic Equipment
Divers Supply Co Inc Dba Ikelite Underwater Systems Ltd
Cross-Reference Index
Part NumberManufacturer
550-3A-03 PRIMARY Technlogy for Cmmncations Intl (USA)
645-3 PRIMARY Sabre Communications Corp (USA)
2012AA Bosch Security Systems, Inc. Dba Hy-Gain/turner Division Div Distribution (USA)
Related Parts
3455-00-320-9827INTERCHANGEABLE
CUTTER,MILLING,END
5930-00-393-6043INTERCHANGEABLE
SWITCH,PUSH
23RR6453
6240-00-485-5998INTERCHANGEABLE
LAMP,INCANDESCENT
30900006
5975-00-498-8065INTERCHANGEABLE
STRAND SERVICE SLEEVE
5360-00-677-8045INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
6453
5210-01-063-3352INTERCHANGEABLE
GAGE,THICKNESS,DIAL INDICATING
6453
6640-01-075-8354INTERCHANGEABLE
TEST TUBE,BLOOD COLLECTING
6453
5915-01-151-1268INTERCHANGEABLE
FILTER,BAND PASS
293-1292-050
5340-01-365-3633INTERCHANGEABLE
BRACKET,ANGLE
6453
6760-01-463-0728INTERCHANGEABLE
CASE,PHOTOGRAPHIC EQUIPMENT
6453
6515-01-562-1289INTERCHANGEABLE
BIT,DRILL,SURGICAL
14BA40

Frequently Asked Questions

What is NSN 5985-00-451-9823?

NSN 5985-00-451-9823 is a Antenna, manufactured by Technlogy for Cmmncations Intl, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-451-9823?

NSN 5985-00-451-9823 has 3 cross-referenced part numbers: 550-3A-03 (Technlogy for Cmmncations Intl), 645-3 (Sabre Communications Corp), 2012AA (Bosch Security Systems, Inc. Dba Hy-Gain/turner Division Div Distribution).

What NSN replaces 5985-00-451-9823?

There are 11 known substitutes for 5985-00-451-9823: 3455-00-320-9827, 5930-00-393-6043, 6240-00-485-5998 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 550-3A-03?

Key specifications for 550-3A-03: Overall Diameter: 290.000 FEET MAXIMUM FT; Design Type: CONICAL SINGLE ANTENNA ELEMENT; Frequency Rating: 3.000 MEGAHERTZ MINIMUM AND 30.000 MEGAHERTZ MAXIMUM SINGLE ANTENNA ELEMENT; Radiation Pattern: OMNIDIRECTIONAL SINGLE ANTENNA ELEMENT. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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