PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-815050-1Coupler,rotary,radio Frequency

General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems · NSN 5985-00-119-1500 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-119-1500 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-119-1500. Primary manufacturer part number: 20-815050-1.
Features
  • Coupler,rotary,radio Frequency — FSC 5985
  • Overall Diameter: 3.500 INCHES NOMINAL IN
  • Radio Frequency Rating: 32.0 MEGAHERTZ NOMINAL AND 1100.0 MEGAHERTZ NOMINAL AND 100.0 MEGAHERTZ NOMINAL AND 23.0 MEGAHERTZ NOMINAL
  • Output Impedance Rating in Ohms: 50.0
  • Mounting Configuration: 4 MTG HOLES 0.187 IN. DIA EQUALLY SPACED ON A 1.500 IN. RADIUS IN
  • Input Impedance Rating in Ohms: 50.0
  • Unit Type: COAXIAL LINE
  • 3 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,rotary,radio Frequency, cataloged under National Stock Number 5985-00-119-1500, 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 General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems. Government technical data includes 6 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-119-1500
Primary Part Number20-815050-1
Item NameCoupler,rotary,radio Frequency
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerGeneral Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems
StatusACTIVE
Overall Diameter3.500 INCHES NOMINAL IN
Radio Frequency Rating32.0 MEGAHERTZ NOMINAL AND 1100.0 MEGAHERTZ NOMINAL AND 100.0 MEGAHERTZ NOMINAL AND 23.0 MEGAHERTZ NOMINAL
Output Impedance Rating in Ohms50.0
Mounting Configuration4 MTG HOLES 0.187 IN. DIA EQUALLY SPACED ON A 1.500 IN. RADIUS IN
Input Impedance Rating in Ohms50.0
Unit TypeCOAXIAL LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-155-6233 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
20-815050-1 General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA)
1214F Kevlin Corporation Dba Cobham Sensor Systems Div Kevlin Division (USA)
1214F Frontgrade Technologies Inc. (USA)
Related Parts
3110-00-155-6233INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 5985-00-119-1500?

NSN 5985-00-119-1500 is a Coupler,rotary,radio Frequency, manufactured by General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-119-1500?

NSN 5985-00-119-1500 has 3 cross-referenced part numbers: 20-815050-1 (General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems), 1214F (Kevlin Corporation Dba Cobham Sensor Systems Div Kevlin Division), 1214F (Frontgrade Technologies Inc.).

What NSN replaces 5985-00-119-1500?

There is 1 known substitute for 5985-00-119-1500: 3110-00-155-6233. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-815050-1?

Key specifications for 20-815050-1: Overall Diameter: 3.500 INCHES NOMINAL IN; Radio Frequency Rating: 32.0 MEGAHERTZ NOMINAL AND 1100.0 MEGAHERTZ NOMINAL AND 100.0 MEGAHERTZ NOMINAL AND 23.0 MEGAHERTZ NOMINAL; Output Impedance Rating in Ohms: 50.0; Mounting Configuration: 4 MTG HOLES 0.187 IN. DIA EQUALLY SPACED ON A 1.500 IN. RADIUS IN. 7 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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