PartsTable TECHNICAL DATA SHEET
NSN 2990-01-641-3759Government record, cited

Sensor, Engine Coolant Temperatur2990-01-641-3759

NSN 2990-01-641-3759 · NIIN 016413759 · Part number 3966459 S
Cummins Filtration Inc Dba Fleetguard Div Cummins Inc · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 33457
Government record, cited
NSN 2990-01-641-3759 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-641-3759. Manufacturer of record part number: 3966459 S.
Also searched as  2990-01-641-3759 · 2990016413759 · NIIN 016413759 · 01-641-3759 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 33457 · 3966459 S
Nearby stock numbers  ·
Features
  • Sensor,engine Coolant Temperatur — FSC 2990
  • 1 manufacturer part number on file
  • Manufacturer of record: Cummins Filtration Inc Dba Fleetguard Div Cummins Inc
Identification
  • NSN: 2990-01-641-3759
  • NIIN: 016413759
  • FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
  • FSG: 29 — Engine Accessories
  • Primary part number: 3966459 S
  • Manufacturer: Cummins Filtration Inc Dba Fleetguard Div Cummins Inc
General Description

The Sensor,engine Coolant Temperatur, cataloged under National Stock Number 2990-01-641-3759, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cummins Filtration Inc Dba Fleetguard Div Cummins Inc. 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
ParameterValue
NSN2990-01-641-3759
Primary Part Number3966459 S
Item NameSensor,engine Coolant Temperatur
FSC / FSG2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
ManufacturerCummins Filtration Inc Dba Fleetguard Div Cummins Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
3966459 S PRIMARY Cummins Filtration Inc Dba Fleetguard Div Cummins Inc (USA)
No interchangeability data on file.
Other items in FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2990-00-001-0001
BLOWER ASSEMBLY
2990-00-001-1248
2990-00-001-1248 · Item name not on file
2990-00-001-1250
2990-00-001-1250 · Item name not on file
2990-00-001-2055
2990-00-001-2055 · Item name not on file
2990-00-001-3498
2990-00-001-3498 · Item name not on file
2990-00-001-3520
2990-00-001-3520 · Item name not on file
2990-00-001-3521
2990-00-001-3521 · Item name not on file
2990-00-001-3522
CAP ASSEMBLY,MUFFLE

Frequently Asked Questions

What is NSN 2990-01-641-3759?

NSN 2990-01-641-3759 is a Sensor,engine Coolant Temperatur, manufactured by Cummins Filtration Inc Dba Fleetguard Div Cummins Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-641-3759?

NSN 2990-01-641-3759 has 1 manufacturer part number on file: 3966459 S (Cummins Filtration Inc Dba Fleetguard Div Cummins Inc).

What are the specifications of 3966459 S?

Key specifications for 3966459 S: Special Features: PART OF THE SEA PRO 5 DUAL/DUPLEX; Part Name Assigned by Controlling Agency: SENSOR,WATER IN FUEL (WIF). 0 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-641-3759 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.
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