PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

138C029H01Line Section,radio Frequency Tra

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5985-00-488-2931 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-488-2931 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-488-2931. Primary manufacturer part number: 138C029H01.
Features
  • Line Section,radio Frequency Tra — FSC 5985
  • Supplementary Features: FUNGUS INERT MATERIAL
  • Security Classification: UNCLASSIFIED
  • Criticality Code Justification: SUPP
  • FSC Application Data: COMMUNICATION EQUIPMENT
  • Overall Diameter: 2.230 INCHES MINIMUM AND 2.270 INCHES MAXIMUM IN
  • Material: COPPER ALLOY
  • 2 verified cross-references
Applications
  • Applications requiring Copper Alloy construction
General Description

The Line Section,radio Frequency Tra, cataloged under National Stock Number 5985-00-488-2931, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 6 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-488-2931
Primary Part Number138C029H01
Item NameLine Section,radio Frequency Tra
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Supplementary FeaturesFUNGUS INERT MATERIAL
Security ClassificationUNCLASSIFIED
Criticality Code JustificationSUPP
FSC Application DataCOMMUNICATION EQUIPMENT
Overall Diameter2.230 INCHES MINIMUM AND 2.270 INCHES MAXIMUM IN
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3020-00-045-68781226251 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4320-00-300-628141745-1PC2 INTERCHANGEABLE
Valve Assembly
Eaton Aerospace, Llc Dba Jackson South
3120-00-448-143041746 INTERCHANGEABLE
Bushing,sleeve
Telemechanics Inc
5950-00-699-2419SMC488859 INTERCHANGEABLE
Transformer,audio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
138C029H01 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
41746 Andrew Llc (USA)
Related Parts
3020-00-045-6878INTERCHANGEABLE
GEAR,SPUR
1226251
4320-00-300-6281INTERCHANGEABLE
VALVE ASSEMBLY
41745-1PC2
3120-00-448-1430INTERCHANGEABLE
BUSHING,SLEEVE
41746
5950-00-699-2419INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
SMC488859

Frequently Asked Questions

What is NSN 5985-00-488-2931?

NSN 5985-00-488-2931 is a Line Section,radio Frequency Tra, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-488-2931?

NSN 5985-00-488-2931 has 2 cross-referenced part numbers: 138C029H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 41746 (Andrew Llc).

What NSN replaces 5985-00-488-2931?

There are 4 known substitutes for 5985-00-488-2931: 3020-00-045-6878, 4320-00-300-6281, 3120-00-448-1430 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 138C029H01?

Key specifications for 138C029H01: Supplementary Features: FUNGUS INERT MATERIAL; Security Classification: UNCLASSIFIED; Criticality Code Justification: SUPP; Special Features: CADMIUM PLATING WITH CHROMATE CONVERSION. 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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