PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B18703P3Sonobuoy

Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems · NSN 5845-00-543-1865 · FSC 5845 · No Item Name Available
Verified by PartsTable
NSN 5845-00-543-1865 — this item is cataloged by the U.S. Government under National Stock Number 5845-00-543-1865. Primary manufacturer part number: B18703P3.
Features
  • Sonobuoy — FSC 5845
  • Electromagnetic Wave Transmitting Power Output in Watts: 0.250
  • Electromagnetic Wave Transmitting Frequency: 163.75 MEGAHERTZ NOMINAL
  • DC Voltage Rating: 6.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT
  • Design Type: NONDIRECTIONAL
  • Nondefinitive Spec/std Data: ANSSQ23 TYPE
  • Departure From Cited Designator: AS MODIFIED BY ELECTROMAGNETIC WAVE RECEIVING FREQUENCY
  • Electromagnetic Wave Receiving Frequency: 2880.0 MEGAHERTZ NOMINAL AND 9400.0 MEGAHERTZ NOMINAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sonobuoy, cataloged under National Stock Number 5845-00-543-1865, is classified within Federal Supply Class 5845 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5845-00-543-1865
Primary Part NumberB18703P3
Item NameSonobuoy
FSC / FSG5845 / 58 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
StatusACTIVE
Electromagnetic Wave Transmitting Power Output in Watts0.250
Electromagnetic Wave Transmitting Frequency163.75 MEGAHERTZ NOMINAL
DC Voltage Rating6.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT
Design TypeNONDIRECTIONAL
Nondefinitive Spec/std DataANSSQ23 TYPE
Departure From Cited DesignatorAS MODIFIED BY ELECTROMAGNETIC WAVE RECEIVING FREQUENCY
Electromagnetic Wave Receiving Frequency2880.0 MEGAHERTZ NOMINAL AND 9400.0 MEGAHERTZ NOMINAL
Emission TypeF9
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5845-00-543-1863B18703P1 INTERCHANGEABLE
Sonobuoy
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5845-00-543-1864708289-200 INTERCHANGEABLE
Sonobuoy
Raytheon Company
5845-00-543-1866B18703P4 INTERCHANGEABLE
Sonobuoy
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5845-00-543-1867B18703P5 INTERCHANGEABLE
Sonobuoy
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5845-00-543-1868B18703P6 INTERCHANGEABLE
Sonobuoy
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5845-00-543-1869B18703P8 INTERCHANGEABLE
Sonobuoy
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5845-00-543-1870B18703P7 INTERCHANGEABLE
Sonobuoy
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5845-00-543-1871B18703P9 INTERCHANGEABLE
Sonobuoy
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5845-00-543-1872B18703P10 INTERCHANGEABLE
Sonobuoy
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5845-00-543-1873B18703P11 INTERCHANGEABLE
Sonobuoy
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
Cross-Reference Index
Part NumberManufacturer
224E426G1 General Electric Company (USA)
B6693P3 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
B18703P3 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
E172J300A1-3 PRIMARY Cae Usa Inc. (USA)
ANSSQ23 Joint Electronics Type Designation System (USA)
8010000034-3 Navcom Defense Electronics, Inc. (USA)
8010000020-3 Navcom Defense Electronics, Inc. (USA)
ANSSQ23A Joint Electronics Type Designation System (USA)
301E19804-3 Motorola Inc. Dba Integrated Information Systems Group (USA)
950004-3 Sparton Corporation Div Sparton Electronics (USA)
224E426G1 Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA)
708289-300 Raytheon Company (USA)
301D24700-3 Motorola Inc. Dba Integrated Information Systems Group (USA)
301E26446-3 Motorola Inc. Dba Integrated Information Systems Group (USA)
Related Parts
5845-00-543-1863INTERCHANGEABLE
SONOBUOY
B18703P1
5845-00-543-1864INTERCHANGEABLE
SONOBUOY
708289-200
5845-00-543-1866INTERCHANGEABLE
SONOBUOY
B18703P4
5845-00-543-1867INTERCHANGEABLE
SONOBUOY
B18703P5
5845-00-543-1868INTERCHANGEABLE
SONOBUOY
B18703P6
5845-00-543-1869INTERCHANGEABLE
SONOBUOY
B18703P8
5845-00-543-1870INTERCHANGEABLE
SONOBUOY
B18703P7
5845-00-543-1871INTERCHANGEABLE
SONOBUOY
B18703P9
5845-00-543-1872INTERCHANGEABLE
SONOBUOY
B18703P10
5845-00-543-1873INTERCHANGEABLE
SONOBUOY
B18703P11
5845-00-543-1874INTERCHANGEABLE
SONOBUOY
B18703P12
5845-00-543-1875INTERCHANGEABLE
SONOBUOY
B18703P13

Frequently Asked Questions

What is NSN 5845-00-543-1865?

NSN 5845-00-543-1865 is a Sonobuoy, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems, classified under FSC 5845 (No Item Name Available). Status: active.

What are the part numbers for NSN 5845-00-543-1865?

NSN 5845-00-543-1865 has 14 cross-referenced part numbers: 224E426G1 (General Electric Company), B6693P3 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), B18703P3 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), E172J300A1-3 (Cae Usa Inc.), ANSSQ23 (Joint Electronics Type Designation System) and 9 more.

What NSN replaces 5845-00-543-1865?

There are 12 known substitutes for 5845-00-543-1865: 5845-00-543-1863, 5845-00-543-1864, 5845-00-543-1866 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B18703P3?

Key specifications for B18703P3: Electromagnetic Wave Transmitting Power Output in Watts: 0.250; Electromagnetic Wave Transmitting Frequency: 163.75 MEGAHERTZ NOMINAL; DC Voltage Rating: 6.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT; Design Type: NONDIRECTIONAL. 9 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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