FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
General Description
The Heat Exchanger,sona, cataloged under National Stock Number 5845-00-993-6746, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Heat Exchanger,sona
FSC / FSG
5845 — Underwater Sound Equipment (FSG 58)
Technical Specifications
Parameter
Value
NSN
5845-00-993-6746
Item Name
Heat Exchanger,sona
FSC / FSG
5845 / 58 — Underwater Sound Equipment
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6685-01-141-4424POSSIBLE MATCH
TRANSMITTER,TEMPERATURE,ELECTRIC
Possible match (shared part number)
5985-01-198-629711437577-2POSSIBLE MATCH
WAVEGUIDE ASSEMBLY
Possible match (shared part number)Us Army Aviation and Missile Command
7690-01-612-7678K35-05606-00POSSIBLE MATCH
MARKER,IDENTIFICATION
Possible match (shared part number)Klinge Corporation Dba Klinge Corp
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
47473
3/2Design control — primary reference
U.S. Government activity
Related Parts
6685-01-141-4424POSSIBLE MATCH
TRANSMITTER,TEMPERATURE,ELECTRIC
5985-01-198-6297POSSIBLE MATCH
WAVEGUIDE ASSEMBLY
11437577-2
7690-01-612-7678POSSIBLE MATCH
MARKER,IDENTIFICATION
K35-05606-00
Frequently Asked Questions
What is NSN 5845-00-993-6746?
NSN 5845-00-993-6746 is a Heat Exchanger,sona, classified under FSC 5845, Underwater Sound Equipment. Status: active.
What NSN replaces 5845-00-993-6746?
3 possible matches (shared part number, not a government interchangeability claim): 6685-01-141-4424, 5985-01-198-6297, 7690-01-612-7678. Verify interchangeability with system specifications before substitution.
Is NSN 5845-00-993-6746 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 5845-00-993-6746?
NSN 5845-00-993-6746 has DEMIL Code B. 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.