PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

418-01Coupler,antenna

Cobham Electronic Systems Sigint Inc. Dba Cobham Defense Electronics · NSN 5985-01-506-3974 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-506-3974 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-506-3974. Primary manufacturer part number: 418-01.
Features
  • Coupler,antenna — FSC 5985
  • Voltage Rating: 85.0 VOLTS MINIMUM AND 264.0 VOLTS MAXIMUM
  • Coupling Method: ELECTRONIC
  • Unpackaged Unit Weight: 6.000 POUNDS LBS
  • Terminal Quantity: 8
  • Tuning Type: FIXED
  • Frequency Rating: 47.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM
  • Radio Frequency Rating: 20.0 MEGAHERTZ MINIMUM AND 3000.0 MEGAHERTZ MAXIMUM
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,antenna, cataloged under National Stock Number 5985-01-506-3974, 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 Cobham Electronic Systems Sigint Inc. Dba Cobham Defense Electronics. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-506-3974
Primary Part Number418-01
Item NameCoupler,antenna
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerCobham Electronic Systems Sigint Inc. Dba Cobham Defense Electronics
StatusACTIVE
Voltage Rating85.0 VOLTS MINIMUM AND 264.0 VOLTS MAXIMUM
Coupling MethodELECTRONIC
Unpackaged Unit Weight6.000 POUNDS LBS
Terminal Quantity8
Tuning TypeFIXED
Frequency Rating47.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM
Radio Frequency Rating20.0 MEGAHERTZ MINIMUM AND 3000.0 MEGAHERTZ MAXIMUM
Current TypeAC
Power Rating16.0 WATTS NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-077-292041801 INTERCHANGEABLE
Plate,retaining,bearing
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
2520-00-734-95576340 INTERCHANGEABLE
Shaft Main Splined
Trackmobile Llc
Cross-Reference Index
Part NumberManufacturer
418-01 PRIMARY Cobham Electronic Systems Sigint Inc. Dba Cobham Defense Electronics (USA)
Related Parts
3110-00-077-2920INTERCHANGEABLE
PLATE,RETAINING,BEARING
41801
2520-00-734-9557INTERCHANGEABLE
SHAFT MAIN SPLINED
6340

Frequently Asked Questions

What is NSN 5985-01-506-3974?

NSN 5985-01-506-3974 is a Coupler,antenna, manufactured by Cobham Electronic Systems Sigint Inc. Dba Cobham Defense Electronics, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-506-3974?

NSN 5985-01-506-3974 has 1 cross-referenced part number: 418-01 (Cobham Electronic Systems Sigint Inc. Dba Cobham Defense Electronics).

What NSN replaces 5985-01-506-3974?

There are 2 known substitutes for 5985-01-506-3974: 3110-00-077-2920, 2520-00-734-9557. Verify interchangeability with system specifications before substitution.

What are the specifications of 418-01?

Key specifications for 418-01: Voltage Rating: 85.0 VOLTS MINIMUM AND 264.0 VOLTS MAXIMUM; Coupling Method: ELECTRONIC; Unpackaged Unit Weight: 6.000 POUNDS LBS; Terminal Quantity: 8. 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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