PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AT-203/URM-6Antenna

Joint Electronics Type Designation System · NSN 5985-00-254-7148 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-254-7148 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-254-7148. Primary manufacturer part number: AT-203/URM-6.
Features
  • Antenna — FSC 5985
  • Frequency Rating: 14.000 KILOHERTZ MINIMUM AND 250.000 KILOHERTZ MAXIMUM SINGLE ANTENNA ELEMENT
  • Radiation Pattern: BIDIRECTIONAL SINGLE ANTENNA ELEMENT
  • Termination Manufacturer Code: 88869 SINGLE ANTENNA ELEMENT
  • Mounting Method: BASE
  • Design Type: WHIP SINGLE ANTENNA ELEMENT
  • Beam Scanning Method: FIXED SINGLE ANTENNA ELEMENT
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Antenna, cataloged under National Stock Number 5985-00-254-7148, 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 Joint Electronics Type Designation System. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-254-7148
Primary Part NumberAT-203/URM-6
Item NameAntenna
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusACTIVE
Frequency Rating14.000 KILOHERTZ MINIMUM AND 250.000 KILOHERTZ MAXIMUM SINGLE ANTENNA ELEMENT
Radiation PatternBIDIRECTIONAL SINGLE ANTENNA ELEMENT
Termination Manufacturer Code88869 SINGLE ANTENNA ELEMENT
Mounting MethodBASE
Design TypeWHIP SINGLE ANTENNA ELEMENT
Beam Scanning MethodFIXED SINGLE ANTENNA ELEMENT
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Termination Identification90076PT1 SINGLE ANTENNA ELEMENT
Terminal TypeRECTANGULAR FLANGE SINGLE ANTENNA ELEMENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6240-00-012-7934 INTERCHANGEABLE
Lamp,incandescent
6625-00-135-27845054 INTERCHANGEABLE
Test Set Subassembly,electrical
The Bechdon Company, Llc
3110-00-227-2800MS24461-4 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
5950-00-254-5896 INTERCHANGEABLE
Coil,radio Frequency
2990-00-390-344550-54 INTERCHANGEABLE
Crank,hand,vehicular
Dresser Industries Inc Leroi Div
5975-00-518-181091091 INTERCHANGEABLE
Plate,wall,electrical
Bryant Electric
5210-00-555-7993 INTERCHANGEABLE
Gage,twist Drill and Drill Rod
2990-00-594-0047T-5054 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
5950-00-647-6064954219 INTERCHANGEABLE
Transformer,audio Frequency
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-708-0497 INTERCHANGEABLE
Packing,preformed
Cross-Reference Index
Part NumberManufacturer
AT-203/URM-6 PRIMARY Joint Electronics Type Designation System (USA)
5-054 Espey Mfg and Electronics Corp (USA)
Related Parts
6240-00-012-7934INTERCHANGEABLE
LAMP,INCANDESCENT
6625-00-135-2784INTERCHANGEABLE
TEST SET SUBASSEMBLY,ELECTRICAL
5054
3110-00-227-2800INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS24461-4
5950-00-254-5896INTERCHANGEABLE
COIL,RADIO FREQUENCY
2990-00-390-3445INTERCHANGEABLE
CRANK,HAND,VEHICULAR
50-54
5975-00-518-1810INTERCHANGEABLE
PLATE,WALL,ELECTRICAL
91091
5210-00-555-7993INTERCHANGEABLE
GAGE,TWIST DRILL AND DRILL ROD
2990-00-594-0047INTERCHANGEABLE
MUFFLER,EXHAUST
T-5054
5950-00-647-6064INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
954219
5330-00-708-0497INTERCHANGEABLE
PACKING,PREFORMED
5360-00-726-6213INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
070200000
3920-00-913-2335INTERCHANGEABLE
TRUCK,LIFT,HAND
5054

Frequently Asked Questions

What is NSN 5985-00-254-7148?

NSN 5985-00-254-7148 is a Antenna, manufactured by Joint Electronics Type Designation System, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-254-7148?

NSN 5985-00-254-7148 has 2 cross-referenced part numbers: AT-203/URM-6 (Joint Electronics Type Designation System), 5-054 (Espey Mfg and Electronics Corp).

What NSN replaces 5985-00-254-7148?

There are 12 known substitutes for 5985-00-254-7148: 6240-00-012-7934, 6625-00-135-2784, 3110-00-227-2800 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AT-203/URM-6?

Key specifications for AT-203/URM-6: Frequency Rating: 14.000 KILOHERTZ MINIMUM AND 250.000 KILOHERTZ MAXIMUM SINGLE ANTENNA ELEMENT; Radiation Pattern: BIDIRECTIONAL SINGLE ANTENNA ELEMENT; Termination Manufacturer Code: 88869 SINGLE ANTENNA ELEMENT; Mounting Method: BASE. 10 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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