PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R-3000Receiver-Transmitter Subassembly

Raytheon Company · NSN 5821-01-526-0537 · FSC 5821 · No Item Name Available
Verified by PartsTable
NSN 5821-01-526-0537 — this item is cataloged by the U.S. Government under National Stock Number 5821-01-526-0537. Primary manufacturer part number: R-3000.
Features
  • Receiver-Transmitter Subassembly — FSC 5821
  • 1 verified cross-reference
  • Primary manufacturer: Raytheon Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Receiver-Transmitter Subassembly, cataloged under National Stock Number 5821-01-526-0537, 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 Raytheon Company. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5821-01-526-0537
Primary Part NumberR-3000
Item NameReceiver-Transmitter Subassembly
FSC / FSG5821 / 58 — No Item Name Available
ManufacturerRaytheon Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
1680-00-340-5363R300 INTERCHANGEABLE
Gear Assembly,bevel
Whippany Actuation Systems, Llc
3010-01-406-2033 INTERCHANGEABLE
Drive Unit,angle
6130-01-459-4481242705-001 INTERCHANGEABLE
Battery Power Supply
Compaq Computer Corp.
Cross-Reference Index
Part NumberManufacturer
R-3000 PRIMARY Raytheon Company (USA)
Related Parts
1680-00-340-5363INTERCHANGEABLE
GEAR ASSEMBLY,BEVEL
R300
3010-01-406-2033INTERCHANGEABLE
DRIVE UNIT,ANGLE
6130-01-459-4481INTERCHANGEABLE
BATTERY POWER SUPPLY
242705-001

Frequently Asked Questions

What is NSN 5821-01-526-0537?

NSN 5821-01-526-0537 is a Receiver-Transmitter Subassembly, manufactured by Raytheon Company, classified under FSC 5821 (No Item Name Available). Status: active.

What are the part numbers for NSN 5821-01-526-0537?

NSN 5821-01-526-0537 has 1 cross-referenced part number: R-3000 (Raytheon Company).

What NSN replaces 5821-01-526-0537?

There are 3 known substitutes for 5821-01-526-0537: 1680-00-340-5363, 3010-01-406-2033, 6130-01-459-4481. Verify interchangeability with system specifications before substitution.

What are the specifications of R-3000?

Key specifications for R-3000: Special Features: 20-I000 MHZ COVERAGE IN TWO PLUG-IN BANDS TWO RF BAND MODULES PER TUNERCARD, LOW NOISE FIGURE 12 DB MAX, LOW POWER < 36WATTS; 28 OZ. WIDEBAND RF CONVVERTER COTS CONTROL AND DATA INTERFACS, VXWORKS DRIVER PACKAGE FOR IMBEDDEDAPPLICATIONS,RECEWAY CROSSBAR SWITCHED DATA OUTPUT BUS OZ; End Item Identification: FAST SEARCH UNIT, R476790-01: 1680-01-502-2795. 2 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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