PartsTable TECHNICAL DATA SHEET

NSN 5845-01-669-1981Government record, cited

Transducer, Sonar5845-01-669-1981

NSN 5845-01-669-1981 · NIIN 016691981 · Part number DT812SV-235-N2

Airmar Technology Corp Dba Airmar Technology Corp · FSC 5845 — Underwater Sound Equipment · FSG 58 — Communication, Detection, and Coherent Radiation Equipment · CAGE 0TME2

Government record, cited

NSN 5845-01-669-1981 — this item is cataloged by the U.S. Government under National Stock Number 5845-01-669-1981. Manufacturer of record part number: DT812SV-235-N2.

Also searched as 5845-01-669-1981 · 5845016691981 · NIIN 016691981 · 01-669-1981 · FSC 5845 Underwater Sound Equipment · CAGE 0TME2 · DT812SV-235-N2

Nearby stock numbers ← 5845-01-669-1833 Transponder, Sonar · 5845-01-669-2404 Transducer Assembly, Sonar →

Features

Transducer,sonar — FSC 5845
Overall Diameter: 2.75 INCHES NOMINAL IN
Unit Type: CERAMIC
Frequency Rating: 235.0 KILOHERTZ NOMINAL
1 manufacturer part number on file
Manufacturer of record: Airmar Technology Corp Dba Airmar Technology Corp

Identification

NSN: 5845-01-669-1981
NIIN: 016691981
FSC: 5845 — Underwater Sound Equipment
FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
Primary part number: DT812SV-235-N2
Manufacturer: Airmar Technology Corp Dba Airmar Technology Corp

General Description

The Transducer,sonar, cataloged under National Stock Number 5845-01-669-1981, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Airmar Technology Corp Dba Airmar Technology Corp. Government technical data includes 3 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5845-01-669-1981
Primary Part Number	DT812SV-235-N2
Item Name	Transducer,sonar
FSC / FSG	5845 / 58 — Underwater Sound Equipment
Manufacturer	Airmar Technology Corp Dba Airmar Technology Corp
Status	ACTIVE
Overall Diameter	2.75 INCHES NOMINAL IN
Unit Type	CERAMIC
Frequency Rating	235.0 KILOHERTZ NOMINAL

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
DT812SV-235-N2 PRIMARY	Airmar Technology Corp Dba Airmar Technology Corp (USA)

No interchangeability data on file.

Other items in FSC 5845 — Underwater Sound Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5845-00-001-3622

5845-00-001-3622 · Item name not on file

5845-00-001-3623

5845-00-001-3623 · Item name not on file

5845-00-001-3625

DETECTING-RANGING SET SUBASSEMBL

5845-00-001-3627

5845-00-001-3627 · Item name not on file

5845-00-001-3628

5845-00-001-3628 · Item name not on file

5845-00-001-3629

5845-00-001-3629 · Item name not on file

5845-00-001-8053

5845-00-001-8053 · Item name not on file

5845-00-003-0332

5845-00-003-0332 · Item name not on file

Frequently Asked Questions

What is NSN 5845-01-669-1981?

NSN 5845-01-669-1981 is a Transducer,sonar, manufactured by Airmar Technology Corp Dba Airmar Technology Corp, classified under FSC 5845, Underwater Sound Equipment. Status: active.

What part numbers are listed for NSN 5845-01-669-1981?

NSN 5845-01-669-1981 has 1 manufacturer part number on file: DT812SV-235-N2 (Airmar Technology Corp Dba Airmar Technology Corp).

What are the specifications of DT812SV-235-N2?

Key specifications for DT812SV-235-N2: Overall Height: 4.92 INCHES NOMINAL IN; Overall Diameter: 2.75 INCHES NOMINAL IN; Unit Type: CERAMIC; Frequency Rating: 235.0 KILOHERTZ NOMINAL. 3 specifications are documented in the U.S. Government catalog.

Is NSN 5845-01-669-1981 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 5845-01-669-1981?

NSN 5845-01-669-1981 has DEMIL Code Q. 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.

PartsTable Design LLC · partstable.com