PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

404020-1Modulator,radar

Vega Precision Laboratories Inc Sub of Herley Industries Inc · NSN 5840-01-212-5296 · FSC 5840 · No Item Name Available
Verified by PartsTable
NSN 5840-01-212-5296 — this item is cataloged by the U.S. Government under National Stock Number 5840-01-212-5296. Primary manufacturer part number: 404020-1.
Features
  • Modulator,radar — FSC 5840
  • Output Wave Shape: PULSE, TRIGGER
  • Inclosure Type: ENCASED
  • Installation Design: MECHANICAL
  • Average Life Measurement: NOT RATED
  • Circuit Construction Type: SOLID STATE
  • Basic Shape Style: RECTANGULAR OR SQUARE
  • 3 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Modulator,radar, cataloged under National Stock Number 5840-01-212-5296, 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 Vega Precision Laboratories Inc Sub of Herley Industries Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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
NSN5840-01-212-5296
Primary Part Number404020-1
Item NameModulator,radar
FSC / FSG5840 / 58 — No Item Name Available
ManufacturerVega Precision Laboratories Inc Sub of Herley Industries Inc
StatusACTIVE
Output Wave ShapePULSE, TRIGGER
Inclosure TypeENCASED
Installation DesignMECHANICAL
Average Life MeasurementNOT RATED
Circuit Construction TypeSOLID STATE
Basic Shape StyleRECTANGULAR OR SQUARE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4820-00-238-5372292010D1 INTERCHANGEABLE
Valve,globe
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4820-01-133-2444762-00 INTERCHANGEABLE
Stem,fluid Valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-133-7732 INTERCHANGEABLE
Valve,regulating,fluid Pressure
4820-01-467-7109768-04 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-478-36264040-201 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4520-01-633-20794089-511 INTERCHANGEABLE
Heating Blanket,electrical
Berg Manufacturing, Inc.
Cross-Reference Index
Part NumberManufacturer
404020-1 Vega Precision Laboratories Inc Sub of Herley Industries Inc (USA)
408233-1 Vega Precision Laboratories Inc Sub of Herley Industries Inc (USA)
408951-1 Vega Precision Laboratories Inc Sub of Herley Industries Inc (USA)
Related Parts
4820-00-238-5372INTERCHANGEABLE
VALVE,GLOBE
292010D1
4820-01-133-2444INTERCHANGEABLE
STEM,FLUID VALVE
762-00
4820-01-133-7732INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
4820-01-467-7109INTERCHANGEABLE
SEAT,VALVE
768-04
4820-01-478-3626INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
4040-201
4520-01-633-2079INTERCHANGEABLE
HEATING BLANKET,ELECTRICAL
4089-511

Frequently Asked Questions

What is NSN 5840-01-212-5296?

NSN 5840-01-212-5296 is a Modulator,radar, manufactured by Vega Precision Laboratories Inc Sub of Herley Industries Inc, classified under FSC 5840 (No Item Name Available). Status: active.

What are the part numbers for NSN 5840-01-212-5296?

NSN 5840-01-212-5296 has 3 cross-referenced part numbers: 404020-1 (Vega Precision Laboratories Inc Sub of Herley Industries Inc), 408233-1 (Vega Precision Laboratories Inc Sub of Herley Industries Inc), 408951-1 (Vega Precision Laboratories Inc Sub of Herley Industries Inc).

What NSN replaces 5840-01-212-5296?

There are 6 known substitutes for 5840-01-212-5296: 4820-00-238-5372, 4820-01-133-2444, 4820-01-133-7732 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 404020-1?

Key specifications for 404020-1: Overall Length: 6.000 INCHES NOMINAL IN; Output Wave Shape: PULSE, TRIGGER; Inclosure Type: ENCASED; End Item Identification: 5840-01-013-1300,DRONE TARGET CONTROL STATION,A/F37G-1. 10 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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