NSN 5845-01-398-1641 — this item is cataloged by the U.S. Government under National Stock Number 5845-01-398-1641. Manufacturer of record part number: NAU321PT.
Manufacturer of record: Wartsila Dynamic Positioning, Inc.
Identification
NSN: 5845-01-398-1641
NIIN: 013981641
FSC: 5845 — Underwater Sound Equipment
FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
Primary part number: NAU321PT
Manufacturer: Wartsila Dynamic Positioning, Inc.
General Description
The Beacon,sonar, cataloged under National Stock Number 5845-01-398-1641, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Wartsila Dynamic Positioning, Inc.. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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 5845-01-398-1641?
NSN 5845-01-398-1641 is a Beacon,sonar, manufactured by Wartsila Dynamic Positioning, Inc., classified under FSC 5845, Underwater Sound Equipment. Status: active.
What part numbers are listed for NSN 5845-01-398-1641?
NSN 5845-01-398-1641 has 3 manufacturer part numbers on file: NAU321PT (Wartsila Dynamic Positioning, Inc.), 3210011001 (Wartsila Dynamic Positioning, Inc.), 32100110TL-001 (Wartsila Dynamic Positioning, Inc.).
What are the specifications of NAU321PT?
Key specifications for NAU321PT: Overall Length: 48.000 INCHES NOMINAL IN; Overall Width: 15.000 INCHES NOMINAL IN. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5845-01-398-1641 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.
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.