NSN 5845-01-266-5552 — this item is cataloged by the U.S. Government under National Stock Number 5845-01-266-5552. Manufacturer of record part number: AN/SSQ-41B-164.125MHZ.
Electrical Power Source Relationship: SELF-CONTAINED
1 manufacturer part number on file
Manufacturer of record: Raytheon Company
Identification
NSN: 5845-01-266-5552
NIIN: 012665552
FSC: 5845 — Underwater Sound Equipment
FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
Primary part number: AN/SSQ-41B-164.125MHZ
Manufacturer: Raytheon Company
General Description
The Sonobuoy, cataloged under National Stock Number 5845-01-266-5552, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Raytheon Company. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5845-01-266-5552
Primary Part Number
AN/SSQ-41B-164.125MHZ
Item Name
Sonobuoy
FSC / FSG
5845 / 58 — Underwater Sound Equipment
Manufacturer
Raytheon Company
Status
ACTIVE
Design Type
NONDIRECTIONAL
DC Voltage Rating
16.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
Emission Type
F9
Electromagnetic Wave Transmitting Frequency
164.1 MEGAHERTZ NOMINAL
Electrical Power Source Relationship
SELF-CONTAINED
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL C — Remove/Demil Key Points
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5845-01-268-1468AN/SSQ-41B-163.750MHZPOSSIBLE MATCH
SONOBUOY
Possible match (shared part number)Raytheon Company
5845-01-268-1469AN/SSQ-41B-164.500MHZPOSSIBLE MATCH
SONOBUOY
Possible match (shared part number)Raytheon Company
5845-01-268-1470AN/SSQ-41B-166.000MHZPOSSIBLE MATCH
SONOBUOY
Possible match (shared part number)Raytheon Company
5845-01-268-1471AN/SSQ-41B-166.750MHZPOSSIBLE MATCH
SONOBUOY
Possible match (shared part number)Raytheon Company
5845-01-268-1472AN/SSQ-41B-167.500MHZPOSSIBLE MATCH
SONOBUOY
Possible match (shared part number)Raytheon Company
5845-01-268-1473AN/SSQ-41B-168.250MHZPOSSIBLE MATCH
SONOBUOY
Possible match (shared part number)Raytheon Company
5845-01-268-1474AN/SSQ-41B-169.000MHZPOSSIBLE MATCH
SONOBUOY
Possible match (shared part number)Raytheon Company
5845-01-268-1475AN/SSQ-41B-169.750MHZPOSSIBLE MATCH
SONOBUOY
Possible match (shared part number)Raytheon Company
5845-01-268-1476AN/SSQ-41B-170.500MHZPOSSIBLE MATCH
SONOBUOY
Possible match (shared part number)Raytheon Company
NSN 5845-01-266-5552 is a Sonobuoy, manufactured by Raytheon Company, classified under FSC 5845, Underwater Sound Equipment. Status: active.
What part numbers are listed for NSN 5845-01-266-5552?
NSN 5845-01-266-5552 has 1 manufacturer part number on file: AN/SSQ-41B-164.125MHZ (Raytheon Company).
What NSN replaces 5845-01-266-5552?
9 possible matches (shared part number, not a government interchangeability claim): 5845-01-268-1468, 5845-01-268-1469, 5845-01-268-1470. Verify interchangeability with system specifications before substitution.
What are the specifications of AN/SSQ-41B-164.125MHZ?
Key specifications for AN/SSQ-41B-164.125MHZ: Design Type: NONDIRECTIONAL; DC Voltage Rating: 16.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED; Emission Type: F9; Electromagnetic Wave Transmitting Frequency: 164.1 MEGAHERTZ NOMINAL. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5845-01-266-5552 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 5845-01-266-5552?
NSN 5845-01-266-5552 has DEMIL Code C. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.