PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40557Radio Set Control Group

Systems and Electronics Inc · NSN 5820-00-826-7803 · FSC 5820 · No Item Name Available
Verified by PartsTable
NSN 5820-00-826-7803 — this item is cataloged by the U.S. Government under National Stock Number 5820-00-826-7803. Primary manufacturer part number: 40557.
Features
  • Radio Set Control Group — FSC 5820
  • FSC Application Data: RADIO AND TELEVISION COMMUNICATION EQUIPMENT,EXCEPT AIRBORNE
  • Usage Location: COMMUNICATIONS ZONE
  • Fragility Factor: MODERATELY RUGGED
  • 1 verified cross-reference
  • Primary manufacturer: Systems and Electronics Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Radio Set Control Group, cataloged under National Stock Number 5820-00-826-7803, 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 Systems and Electronics Inc. Government technical data includes 3 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
NSN5820-00-826-7803
Primary Part Number40557
Item NameRadio Set Control Group
FSC / FSG5820 / 58 — No Item Name Available
ManufacturerSystems and Electronics Inc
StatusACTIVE
FSC Application DataRADIO AND TELEVISION COMMUNICATION EQUIPMENT,EXCEPT AIRBORNE
Usage LocationCOMMUNICATIONS ZONE
Fragility FactorMODERATELY RUGGED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3455-00-189-9161 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
5330-00-410-595140557 INTERCHANGEABLE
Seal,oil
Acushnet Rubber Company, Inc. Dba Precix
9540-00-720-1320 INTERCHANGEABLE
Angle,structural
5950-00-938-691525-22961F01 INTERCHANGEABLE
Transformer,power
General Dynamics Mission Systems, Inc. Dba Gdms
5962-01-038-196940557 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
6680-01-086-0401L54054 INTERCHANGEABLE
Gage Rod,liquid Level
Cnh Industrial America Llc Dba Cnh America
Cross-Reference Index
Part NumberManufacturer
40557 Systems and Electronics Inc (USA)
Related Parts
3455-00-189-9161INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
5330-00-410-5951INTERCHANGEABLE
SEAL,OIL
40557
9540-00-720-1320INTERCHANGEABLE
ANGLE,STRUCTURAL
5950-00-938-6915INTERCHANGEABLE
TRANSFORMER,POWER
25-22961F01
5962-01-038-1969INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
40557
6680-01-086-0401INTERCHANGEABLE
GAGE ROD,LIQUID LEVEL
L54054

Frequently Asked Questions

What is NSN 5820-00-826-7803?

NSN 5820-00-826-7803 is a Radio Set Control Group, manufactured by Systems and Electronics Inc, classified under FSC 5820 (No Item Name Available). Status: active.

What are the part numbers for NSN 5820-00-826-7803?

NSN 5820-00-826-7803 has 1 cross-referenced part number: 40557 (Systems and Electronics Inc).

What NSN replaces 5820-00-826-7803?

There are 6 known substitutes for 5820-00-826-7803: 3455-00-189-9161, 5330-00-410-5951, 9540-00-720-1320 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40557?

Key specifications for 40557: FSC Application Data: RADIO AND TELEVISION COMMUNICATION EQUIPMENT,EXCEPT AIRBORNE; Usage Location: COMMUNICATIONS ZONE; End Item Identification: AN/TSW-7; Fragility Factor: MODERATELY RUGGED. 4 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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