PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T366ARCTransmitter,radio

Joint Electronics Type Designation System · NSN 5821-00-503-3434 · FSC 5821 · No Item Name Available
Verified by PartsTable
NSN 5821-00-503-3434 — this item is cataloged by the U.S. Government under National Stock Number 5821-00-503-3434. Primary manufacturer part number: T366ARC.
Features
  • Transmitter,radio — FSC 5821
  • DC Voltage Rating: 28.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
  • Transmitter Emission Type: A3
  • Output Frequency Rating: 116.000 MEGAHERTZ MINIMUM AND 132.000 MEGAHERTZ MAXIMUM
  • Power Output: 1.200 WATTS NOMINAL
  • Frequency Control Type: CRYSTAL
  • Joint Electronics Type Designation System Item Type Number: T-366/ARC; T-336A/ARC A
  • Transmitter Channel Quantity: 5
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transmitter,radio, cataloged under National Stock Number 5821-00-503-3434, is classified within Federal Supply Class 5821 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Joint Electronics Type Designation System. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5821-00-503-3434
Primary Part NumberT366ARC
Item NameTransmitter,radio
FSC / FSG5821 / 58 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusACTIVE
DC Voltage Rating28.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
Transmitter Emission TypeA3
Output Frequency Rating116.000 MEGAHERTZ MINIMUM AND 132.000 MEGAHERTZ MAXIMUM
Power Output1.200 WATTS NOMINAL
Frequency Control TypeCRYSTAL
Joint Electronics Type Designation System Item Type NumberT-366/ARC; T-336A/ARC A
Transmitter Channel Quantity5
Joint Electronics Type Designation System Item NameRADIO TRANSMITTER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2915-00-048-6418B15840 INTERCHANGEABLE
Filter Element,fluid
Falls Filtration Technologies, Inc.
5961-00-052-428015840 INTERCHANGEABLE
Transistor
Emcore Corporation Div Concord Division
1430-00-056-4773HF15840 INTERCHANGEABLE
Seal,ring
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
6685-00-115-9602263359 INTERCHANGEABLE
Indicator,vacuum
Provision, Inc. Dba Provision Inc
5340-00-205-517315840 INTERCHANGEABLE
Catch,clamping
Emhart Industries Inc Corbin Cabinet Lock Hardware Div
5120-00-224-1372 INTERCHANGEABLE
Bar,pinch
5821-00-681-9779T366AARC INTERCHANGEABLE
Transmitter,radio
Joint Electronics Type Designation System
5915-00-924-2188362-7561 INTERCHANGEABLE
Filter,low Pass
Lockheed Martin Corporation Dba Lockheed Martin Government
5998-01-370-815515840 INTERCHANGEABLE
Circuit Card Assembly
Anritsu Instruments Company Div Mbu
8145-01-540-7498725E001 INTERCHANGEABLE
Shipping and Storag
Container Research Corp Dba Container Research Corp Div Containr Research Corporation
Cross-Reference Index
Part NumberManufacturer
T366ARC PRIMARY Joint Electronics Type Designation System (USA)
T11B28V Cessna Aircraft Co Arc Avionics Div (USA)
15840 Cessna Aircraft Co Arc Avionics Div (USA)
Related Parts
2915-00-048-6418INTERCHANGEABLE
FILTER ELEMENT,FLUID
B15840
5961-00-052-4280INTERCHANGEABLE
TRANSISTOR
15840
1430-00-056-4773INTERCHANGEABLE
SEAL,RING
HF15840
6685-00-115-9602INTERCHANGEABLE
INDICATOR,VACUUM
263359
5340-00-205-5173INTERCHANGEABLE
CATCH,CLAMPING
15840
5120-00-224-1372INTERCHANGEABLE
BAR,PINCH
5821-00-681-9779INTERCHANGEABLE
TRANSMITTER,RADIO
T366AARC
5915-00-924-2188INTERCHANGEABLE
FILTER,LOW PASS
362-7561
5998-01-370-8155INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
15840
8145-01-540-7498INTERCHANGEABLE
SHIPPING AND STORAG
725E001

Frequently Asked Questions

What is NSN 5821-00-503-3434?

NSN 5821-00-503-3434 is a Transmitter,radio, manufactured by Joint Electronics Type Designation System, classified under FSC 5821 (No Item Name Available). Status: active.

What are the part numbers for NSN 5821-00-503-3434?

NSN 5821-00-503-3434 has 3 cross-referenced part numbers: T366ARC (Joint Electronics Type Designation System), T11B28V (Cessna Aircraft Co Arc Avionics Div), 15840 (Cessna Aircraft Co Arc Avionics Div).

What NSN replaces 5821-00-503-3434?

There are 10 known substitutes for 5821-00-503-3434: 2915-00-048-6418, 5961-00-052-4280, 1430-00-056-4773 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T366ARC?

Key specifications for T366ARC: DC Voltage Rating: 28.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED; Transmitter Emission Type: A3; Output Frequency Rating: 116.000 MEGAHERTZ MINIMUM AND 132.000 MEGAHERTZ MAXIMUM; Overall Length: 6.688 INCHES NOMINAL IN. 12 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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