PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R501Receiver,radio

Northrop Grumman Systems Corporation · NSN 5820-01-400-1774 · FSC 5820 · No Item Name Available
Verified by PartsTable
NSN 5820-01-400-1774 — this item is cataloged by the U.S. Government under National Stock Number 5820-01-400-1774. Primary manufacturer part number: R501.
Features
  • Receiver,radio — FSC 5820
  • 3 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Receiver,radio, cataloged under National Stock Number 5820-01-400-1774, is classified within Federal Supply Class 5820 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Northrop Grumman Systems Corporation. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameReceiver,radio
FSC / FSG5820 — No Item Name Available (FSG 58)
ManufacturersNorthrop Grumman Systems Corporation (CAGE 03956); Thrane & Thrane Aalborg A/s (CAGE R1026); Cobham Satcom (CAGE R3323)
Technical Specifications
ParameterValue
NSN5820-01-400-1774
Primary Part NumberR501
Item NameReceiver,radio
FSC / FSG5820 / 58 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-088-0255R501 INTERCHANGEABLE
Reactor
Viking Technologies, Ltd.
5985-00-110-825932-87848-3 INTERCHANGEABLE
Coupler,directional
The Boeing Company Div Defense
6625-00-376-1630C1237AARC27 INTERCHANGEABLE
Control Unit,test S
Joint Electronics Type Designation System
5905-01-074-17505165 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Sensor Systems, L.l.c. Dba Sensor Systems Llc
4820-01-106-5475R-501 INTERCHANGEABLE
Valve,flow Control
Clippard Instrument Laboratory Inc
Cross-Reference Index
Part NumberManufacturer
R501 PRIMARY Northrop Grumman Systems Corporation (USA)
R501 Thrane & Thrane Aalborg A/s (DNK)
R501 Cobham Satcom (DNK)
Related Parts
5950-00-088-0255INTERCHANGEABLE
REACTOR
R501
5985-00-110-8259INTERCHANGEABLE
COUPLER,DIRECTIONAL
32-87848-3
6625-00-376-1630INTERCHANGEABLE
CONTROL UNIT,TEST S
C1237AARC27
5905-01-074-1750INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5165
4820-01-106-5475INTERCHANGEABLE
VALVE,FLOW CONTROL
R-501

Frequently Asked Questions

What is NSN 5820-01-400-1774?

NSN 5820-01-400-1774 is a Receiver,radio, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5820 (No Item Name Available). Status: active.

What are the part numbers for NSN 5820-01-400-1774?

NSN 5820-01-400-1774 has 3 cross-referenced part numbers: R501 (Northrop Grumman Systems Corporation), R501 (Thrane & Thrane Aalborg A/s), R501 (Cobham Satcom).

What NSN replaces 5820-01-400-1774?

There are 5 known substitutes for 5820-01-400-1774: 5950-00-088-0255, 5985-00-110-8259, 6625-00-376-1630 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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