NSN 5840-00-945-0378 · NIIN 009450378 · Part number 4686A
Thales Security Systems Uk Limited · FSC 5840 — Radar Equipment, Except Airborne · FSG 58 — Communication, Detection, and Coherent Radiation Equipment · CAGE K3861
Government record, cited
NSN 5840-00-945-0378 — this item is cataloged by the U.S. Government under National Stock Number 5840-00-945-0378. Manufacturer of record part number: 4686A.
Nearby stock numbers← 5840-00-944-8769
·
5840-00-945-0426 Pc Board →
Features
Preamplifier Mixer — FSC 5840
2 manufacturer part numbers on file
Manufacturer of record: Thales Security Systems Uk Limited
Identification
NSN: 5840-00-945-0378
NIIN: 009450378
FSC: 5840 — Radar Equipment, Except Airborne
FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
Primary part number: 4686A
Manufacturer: Thales Security Systems Uk Limited
General Description
The Preamplifier Mixer, cataloged under National Stock Number 5840-00-945-0378, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Thales Security Systems Uk Limited. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 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
Preamplifier Mixer
FSC / FSG
5840 — Radar Equipment, Except Airborne (FSG 58)
Manufacturers
Thales Security Systems Uk Limited (CAGE K3861)
Technical Specifications
Parameter
Value
NSN
5840-00-945-0378
Primary Part Number
4686A
Item Name
Preamplifier Mixer
FSC / FSG
5840 / 58 — Radar Equipment, Except Airborne
Manufacturer
Thales Security Systems Uk Limited
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL C — Remove/Demil Key Points
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5895-01-033-3630468-6POSSIBLE MATCH
POWER MONITOR SUBASSEMBLY
Possible match (shared part number)General Microwave Corporation Div Kratos Microwave Electronics
4130-01-369-6262989147-108POSSIBLE MATCH
FILTER ELEMENT,AIR CONDITIONING
Possible match (shared part number)Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
7025-01-433-54294686APOSSIBLE MATCH
PRINTER SUBASSEMBLY
Possible match (shared part number)Tektronix, Inc.
NSN 5840-00-945-0378 is a Preamplifier Mixer, manufactured by Thales Security Systems Uk Limited, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
What part numbers are listed for NSN 5840-00-945-0378?
NSN 5840-00-945-0378 has 2 manufacturer part numbers on file: 4686A (Thales Security Systems Uk Limited), 4686 (Thales Security Systems Uk Limited).
What NSN replaces 5840-00-945-0378?
4 possible matches (shared part number, not a government interchangeability claim): 5895-01-033-3630, 4130-01-369-6262, 7025-01-433-5429. Verify interchangeability with system specifications before substitution.
Is NSN 5840-00-945-0378 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 5840-00-945-0378?
NSN 5840-00-945-0378 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.