PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B18703P11Sonobuoy

Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems · NSN 5845-00-543-1873 · FSC 5845 · No Item Name Available
Verified by PartsTable
NSN 5845-00-543-1873 — this item is cataloged by the U.S. Government under National Stock Number 5845-00-543-1873. Primary manufacturer part number: B18703P11.
Features
  • Sonobuoy — FSC 5845
  • Electromagnetic Wave Receiving Frequency: 2880.0 MEGAHERTZ NOMINAL AND 9400.0 MEGAHERTZ NOMINAL
  • Electromagnetic Wave Transmitting Frequency: 169.75 MEGAHERTZ NOMINAL
  • Electromagnetic Wave Transmitting Power Output in Watts: 0.250
  • Emission Type: F9
  • Departure From Cited Designator: AYNX
  • DC Voltage Rating: 6.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT
  • Nondefinitive Spec/std Data: ANSSQ23 TYPE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sonobuoy, cataloged under National Stock Number 5845-00-543-1873, 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 15 commercial cross-references from 10 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
NSN5845-00-543-1873
Primary Part NumberB18703P11
Item NameSonobuoy
FSC / FSG5845 / 58 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
StatusACTIVE
Electromagnetic Wave Receiving Frequency2880.0 MEGAHERTZ NOMINAL AND 9400.0 MEGAHERTZ NOMINAL
Electromagnetic Wave Transmitting Frequency169.75 MEGAHERTZ NOMINAL
Electromagnetic Wave Transmitting Power Output in Watts0.250
Emission TypeF9
Departure From Cited DesignatorAYNX
DC Voltage Rating6.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT
Nondefinitive Spec/std DataANSSQ23 TYPE
Design TypeNONDIRECTIONAL
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
5845-00-543-1865B18703P3 INTERCHANGEABLE
Sonobuoy
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
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
Cross-Reference Index
Part NumberManufacturer
224E426G1 Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA)
708289-1100 Raytheon Company (USA)
224E426G1 General Electric Company (USA)
ANSSQ23 Joint Electronics Type Designation System (USA)
B6693P11 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
ANSSQ23A Joint Electronics Type Designation System (USA)
8010000034-11 Navcom Defense Electronics, Inc. (USA)
301E26446-11 Motorola Inc. Dba Integrated Information Systems Group (USA)
301D24700-11 Motorola Inc. Dba Integrated Information Systems Group (USA)
B18703P11 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
301E19804-11 Motorola Inc. Dba Integrated Information Systems Group (USA)
E172J300A1-11 PRIMARY Cae Usa Inc. (USA)
950004-11 Baxer J H and Co (USA)
8010000020-11 Navcom Defense Electronics, Inc. (USA)
950004-11 Sparton Corporation Div Sparton Electronics (USA)
Related Parts
5845-00-543-1863INTERCHANGEABLE
SONOBUOY
B18703P1
5845-00-543-1864INTERCHANGEABLE
SONOBUOY
708289-200
5845-00-543-1865INTERCHANGEABLE
SONOBUOY
B18703P3
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
5845-00-543-1874INTERCHANGEABLE
SONOBUOY
B18703P12
5845-00-543-1875INTERCHANGEABLE
SONOBUOY
B18703P13

Frequently Asked Questions

What is NSN 5845-00-543-1873?

NSN 5845-00-543-1873 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 5845-00-543-1873?

NSN 5845-00-543-1873 has 15 cross-referenced part numbers: 224E426G1 (Lockheed Martin Corp Naval Electronics & Surveillance Systems), 708289-1100 (Raytheon Company), 224E426G1 (General Electric Company), ANSSQ23 (Joint Electronics Type Designation System), B6693P11 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems) and 10 more.

What NSN replaces 5845-00-543-1873?

There are 12 known substitutes for 5845-00-543-1873: 5845-00-543-1863, 5845-00-543-1864, 5845-00-543-1865 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B18703P11?

Key specifications for B18703P11: Electromagnetic Wave Receiving Frequency: 2880.0 MEGAHERTZ NOMINAL AND 9400.0 MEGAHERTZ NOMINAL; Electromagnetic Wave Transmitting Frequency: 169.75 MEGAHERTZ NOMINAL; Electromagnetic Wave Transmitting Power Output in Watts: 0.250; Emission Type: F9. 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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