PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1239003Switch,radio Frequency Transmiss

Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems · NSN 5985-00-819-5612 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-819-5612 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-819-5612. Primary manufacturer part number: 1239003.
Features
  • Switch,radio Frequency Transmiss — FSC 5985
  • Frequency Rating: 1350.0 MEGAHERTZ MAXIMUM SECOND FREQUENCY OPERATING
  • Frequency Rating: 1250.0 MEGAHERTZ NOMINAL FIRST FREQUENCY OPERATING
  • 2 verified cross-references
  • Primary manufacturer: Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-00-819-5612, 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 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems. Government technical data includes 2 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-819-5612
Primary Part Number1239003
Item NameSwitch,radio Frequency Transmiss
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
StatusACTIVE
Frequency Rating1350.0 MEGAHERTZ MAXIMUM SECOND FREQUENCY OPERATING
Frequency Rating1250.0 MEGAHERTZ NOMINAL FIRST FREQUENCY OPERATING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3120-00-383-3836 INTERCHANGEABLE
Bearing,sleeve
Cross-Reference Index
Part NumberManufacturer
SA90N10-1 Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions (USA)
1239003 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
Related Parts
3120-00-383-3836INTERCHANGEABLE
BEARING,SLEEVE

Frequently Asked Questions

What is NSN 5985-00-819-5612?

NSN 5985-00-819-5612 is a Switch,radio Frequency Transmiss, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-819-5612?

NSN 5985-00-819-5612 has 2 cross-referenced part numbers: SA90N10-1 (Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions), 1239003 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems).

What NSN replaces 5985-00-819-5612?

There is 1 known substitute for 5985-00-819-5612: 3120-00-383-3836. Verify interchangeability with system specifications before substitution.

What are the specifications of 1239003?

Key specifications for 1239003: Frequency Rating: 1350.0 MEGAHERTZ MAXIMUM SECOND FREQUENCY OPERATING; Special Features: FSC APPLICATION DATA:ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Frequency Rating: 1250.0 MEGAHERTZ NOMINAL FIRST FREQUENCY OPERATING. 3 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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