PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53427Conductor Section,tuned Cavity

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5840-00-505-2979 · FSC 5840 · No Item Name Available
Verified by PartsTable
NSN 5840-00-505-2979 — this item is cataloged by the U.S. Government under National Stock Number 5840-00-505-2979. Primary manufacturer part number: 53427.
Features
  • Conductor Section,tuned Cavity — FSC 5840
  • Shape: CYLINDRICAL
  • Material: COPPER
  • Surface Treatment: SILVER
  • FSC Application Data: TRANSMITTER-RECEIVER RADAR SEARCH EQUIPMENT EXCEPT AIRBORNE
  • Overall Diameter: 0.435 INCHES NOMINAL IN
  • Mounting Configuration: TERMINAL OF IN23B CRYSTAL INSERTS INTO 0.096 DIA SLOTTED END AND IS HELD BY SPRING TENSION OF SLOTTED SEGMENTS
  • 1 verified cross-reference
Applications
  • Applications requiring Copper construction
General Description

The Conductor Section,tuned Cavity, cataloged under National Stock Number 5840-00-505-2979, is classified within Federal Supply Class 5840 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 6 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5840-00-505-2979
Primary Part Number53427
Item NameConductor Section,tuned Cavity
FSC / FSG5840 / 58 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
ShapeCYLINDRICAL
MaterialCOPPER
Surface TreatmentSILVER
FSC Application DataTRANSMITTER-RECEIVER RADAR SEARCH EQUIPMENT EXCEPT AIRBORNE
Overall Diameter0.435 INCHES NOMINAL IN
Mounting ConfigurationTERMINAL OF IN23B CRYSTAL INSERTS INTO 0.096 DIA SLOTTED END AND IS HELD BY SPRING TENSION OF SLOTTED SEGMENTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4730-00-093-950753427 INTERCHANGEABLE
Restrictor,fluid Flow
Goodrich Corporation
3455-00-243-2177TABLE 15, 609 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
The American Society of Mechanical Engineers
5310-00-595-6311 INTERCHANGEABLE
Washer,flat
5950-01-334-481053427 INTERCHANGEABLE
Reactor
Standex Electronics, Inc.
6145-01-367-849753427 INTERCHANGEABLE
Cable,radio Frequency
Semflex, Inc.
4520-01-377-744453427 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
Cross-Reference Index
Part NumberManufacturer
53427 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
4730-00-093-9507INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
53427
3455-00-243-2177INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
TABLE 15, 609
5310-00-595-6311INTERCHANGEABLE
WASHER,FLAT
5950-01-334-4810INTERCHANGEABLE
REACTOR
53427
6145-01-367-8497INTERCHANGEABLE
CABLE,RADIO FREQUENCY
53427
4520-01-377-7444INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
53427

Frequently Asked Questions

What is NSN 5840-00-505-2979?

NSN 5840-00-505-2979 is a Conductor Section,tuned Cavity, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5840 (No Item Name Available). Status: active.

What are the part numbers for NSN 5840-00-505-2979?

NSN 5840-00-505-2979 has 1 cross-referenced part number: 53427 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5840-00-505-2979?

There are 6 known substitutes for 5840-00-505-2979: 4730-00-093-9507, 3455-00-243-2177, 5310-00-595-6311 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53427?

Key specifications for 53427: Shape: CYLINDRICAL; Material: COPPER; Surface Treatment: SILVER; FSC Application Data: TRANSMITTER-RECEIVER RADAR SEARCH EQUIPMENT EXCEPT AIRBORNE. 6 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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