PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MX1802AUSeal,radio Frequency Transmissio

Joint Electronics Type Designation System · NSN 5985-00-783-6014 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-783-6014 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-783-6014. Primary manufacturer part number: MX1802AU.
Features
  • Seal,radio Frequency Transmissio — FSC 5985
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
  • Surface Treatment: SILVER
  • Material: COPPER ALLOY
  • Transmission Line Characteristic Impedance: 73.0 OHMS MINIMUM AND 93.0 OHMS MAXIMUM
  • Transmission Line Opening Diameter: 0.257 INCHES NOMINAL IN
  • External Connector Type: JACK
  • Internal Conductor Connector Type: SPRING CONTACT
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Copper Alloy construction
General Description

The Seal,radio Frequency Transmissio, cataloged under National Stock Number 5985-00-783-6014, 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 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-00-783-6014
Primary Part NumberMX1802AU
Item NameSeal,radio Frequency Transmissio
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusCANCELLED
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Surface TreatmentSILVER
MaterialCOPPER ALLOY
Transmission Line Characteristic Impedance73.0 OHMS MINIMUM AND 93.0 OHMS MAXIMUM
Transmission Line Opening Diameter0.257 INCHES NOMINAL IN
External Connector TypeJACK
Internal Conductor Connector TypeSPRING CONTACT
Mounting MethodBRACKET(S)
Overall Diameter0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
2920-00-924-2042 INTERCHANGEABLE
Lead,ignition,engine
3110-00-932-5599 INTERCHANGEABLE
Bearing,ball,airframe
1560-01-533-673055950 INTERCHANGEABLE
Nose Assembly,ir De
Aerovironment, Inc. Dba Aerovironment Inc
Cross-Reference Index
Part NumberManufacturer
MX1802AU PRIMARY Joint Electronics Type Designation System (USA)
55950 Amphenol Corporation Div Amphenol Rf (USA)
REB49343 Naval Ship Systems Command (USA)
MS1802AU Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
2920-00-924-2042INTERCHANGEABLE
LEAD,IGNITION,ENGINE
3110-00-932-5599INTERCHANGEABLE
BEARING,BALL,AIRFRAME
1560-01-533-6730INTERCHANGEABLE
NOSE ASSEMBLY,IR DE
55950

Frequently Asked Questions

What is NSN 5985-00-783-6014?

NSN 5985-00-783-6014 is a Seal,radio Frequency Transmissio, manufactured by Joint Electronics Type Designation System, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-00-783-6014?

NSN 5985-00-783-6014 has 4 cross-referenced part numbers: MX1802AU (Joint Electronics Type Designation System), 55950 (Amphenol Corporation Div Amphenol Rf), REB49343 (Naval Ship Systems Command), MS1802AU (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5985-00-783-6014?

There are 3 known substitutes for 5985-00-783-6014: 2920-00-924-2042, 3110-00-932-5599, 1560-01-533-6730. Verify interchangeability with system specifications before substitution.

What are the specifications of MX1802AU?

Key specifications for MX1802AU: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Surface Treatment: SILVER; Material: COPPER ALLOY; Transmission Line Characteristic Impedance: 73.0 OHMS MINIMUM AND 93.0 OHMS MAXIMUM. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-00-783-6014 still in active supply?

NSN 5985-00-783-6014 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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