PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55379Diplexer

L3 Technologies, Inc. Div L3 Keo · NSN 5985-01-091-5722 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-091-5722 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-091-5722. Primary manufacturer part number: 55379.
Features
  • Diplexer — FSC 5985
  • Operating Frequency: 0.500 MEGAHERTZ MINIMUM AND 32.000 MEGAHERTZ MAXIMUM SECOND ALTERNATE OPERATING POWER RQMT
  • Transmission Line Type: COAXIAL CABLE
  • Operating Frequency: 0.012 MEGAHERTZ MINIMUM AND 32.000 MEGAHERTZ MAXIMUM FIRST OPERATING POWER RQMT
  • Operating Frequency: 12.000 KILOHERTZ MINIMUM AND 500.000 KILOHERTZ MAXIMUM FIRST ALTERNATE OPERATING POWER RQMT
  • 2 verified cross-references
  • Primary manufacturer: L3 Technologies, Inc. Div L3 Keo
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Diplexer, cataloged under National Stock Number 5985-01-091-5722, 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 L3 Technologies, Inc. Div L3 Keo. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-091-5722
Primary Part Number55379
Item NameDiplexer
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div L3 Keo
StatusACTIVE
Operating Frequency0.500 MEGAHERTZ MINIMUM AND 32.000 MEGAHERTZ MAXIMUM SECOND ALTERNATE OPERATING POWER RQMT
Transmission Line TypeCOAXIAL CABLE
Operating Frequency0.012 MEGAHERTZ MINIMUM AND 32.000 MEGAHERTZ MAXIMUM FIRST OPERATING POWER RQMT
Operating Frequency12.000 KILOHERTZ MINIMUM AND 500.000 KILOHERTZ MAXIMUM FIRST ALTERNATE OPERATING POWER RQMT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-00-392-635955379 INTERCHANGEABLE
Socket,plug-in Electronic Compon
General Dynamics Mission Systems, Inc.
5360-00-468-0341390014PC725 INTERCHANGEABLE
Spring,helical,compression
Naval Ship Systems Command
5365-00-618-953555379 INTERCHANGEABLE
Spacer,sleeve
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5310-01-534-13635613-72-31 INTERCHANGEABLE
Washer,flat
Seastrom Manufacturing Co Inc
Cross-Reference Index
Part NumberManufacturer
55379 PRIMARY L3 Technologies, Inc. Div L3 Keo (USA)
933C055379 L3 Technologies, Inc. Div L3 Keo (USA)
Related Parts
5935-00-392-6359INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
55379
5360-00-468-0341INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
390014PC725
5365-00-618-9535INTERCHANGEABLE
SPACER,SLEEVE
55379
5310-01-534-1363INTERCHANGEABLE
WASHER,FLAT
5613-72-31

Frequently Asked Questions

What is NSN 5985-01-091-5722?

NSN 5985-01-091-5722 is a Diplexer, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-091-5722?

NSN 5985-01-091-5722 has 2 cross-referenced part numbers: 55379 (L3 Technologies, Inc. Div L3 Keo), 933C055379 (L3 Technologies, Inc. Div L3 Keo).

What NSN replaces 5985-01-091-5722?

There are 4 known substitutes for 5985-01-091-5722: 5935-00-392-6359, 5360-00-468-0341, 5365-00-618-9535 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55379?

Key specifications for 55379: Overall Width: 2.780 INCHES NOMINAL IN; Operating Frequency: 0.500 MEGAHERTZ MINIMUM AND 32.000 MEGAHERTZ MAXIMUM SECOND ALTERNATE OPERATING POWER RQMT; Transmission Line Type: COAXIAL CABLE; Operating Frequency: 0.012 MEGAHERTZ MINIMUM AND 32.000 MEGAHERTZ MAXIMUM FIRST OPERATING POWER RQMT. 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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