PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LF3959Filter Element,fluid

Cummins Filtration Inc Dba Fleetguard Div Cummins Inc · NSN 2940-01-497-1469 · FSC 2940 · No Item Name Available
Verified by PartsTable
NSN 2940-01-497-1469 — this item is cataloged by the U.S. Government under National Stock Number 2940-01-497-1469. Primary manufacturer part number: LF3959.
Features
  • Filter Element,fluid — FSC 2940
  • Body Diameter: 3.680 INCHES NOMINAL IN
  • Thread Series Designator: UN
  • Nominal Thread Size: 1.000 INCHES IN
  • Body Overall Length: 6.940 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL W/ INTEGRAL OUTER CASING
  • Filtration Rating in Microns: 30.0 NOMINAL
  • Filtering System for Which Designed: FULL FLOW
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter Element,fluid, cataloged under National Stock Number 2940-01-497-1469, is classified within Federal Supply Class 2940 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Cummins Filtration Inc Dba Fleetguard Div Cummins Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2940-01-497-1469
Primary Part NumberLF3959
Item NameFilter Element,fluid
FSC / FSG2940 / 29 — No Item Name Available
ManufacturerCummins Filtration Inc Dba Fleetguard Div Cummins Inc
StatusACTIVE
Body Diameter3.680 INCHES NOMINAL IN
Thread Series DesignatorUN
Nominal Thread Size1.000 INCHES IN
Body Overall Length6.940 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL W/ INTEGRAL OUTER CASING
Filtration Rating in Microns30.0 NOMINAL
Filtering System for Which DesignedFULL FLOW
Thread DirectionRIGHT-HAND
Design TypeNONREUSABLE
Media for Which DesignedFUEL/OIL, HYDROCARBON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-01-006-225991309 INTERCHANGEABLE
Coil Assembly
L3harris Technologies, Inc Div Space & Airborne Systems
2940-01-280-84193908615 INTERCHANGEABLE
Filter Element,fluid
Cummins Inc.
6515-01-680-2743901309 INTERCHANGEABLE
Tip,enema Administration
Bracco Diagnostics Inc.
Cross-Reference Index
Part NumberManufacturer
91309 Langa Industrial Sa (ESP)
92269822 Thales Sa (FRA)
3937743 Cummins South Pacific Pty Ltd Head Office (AUS)
3937345 Cummins Inc (USA)
91309 Oshkosh Aerotech Uk Limited (GBR)
2940PL0866998 Jednolity Indeks Materialowy - Uniform Material Index (POL)
LF3959 PRIMARY Cummins Filtration Inc Dba Fleetguard Div Cummins Inc (USA)
LF3935 Cummins Filtration Inc Dba Fleetguard Div Cummins Inc (USA)
3937212 Cummins Inc (USA)
3937743 Cummins Inc (USA)
3937695 Cummins Inc (USA)
2940PL1833680 Jednolity Indeks Materialowy - Uniform Material Index (POL)
10496188 Nimikkeistokeskus Ncb Finland (FIN)
92222245 Thales Sa (FRA)
Related Parts
5950-01-006-2259INTERCHANGEABLE
COIL ASSEMBLY
91309
2940-01-280-8419INTERCHANGEABLE
FILTER ELEMENT,FLUID
3908615
6515-01-680-2743INTERCHANGEABLE
TIP,ENEMA ADMINISTRATION
901309

Frequently Asked Questions

What is NSN 2940-01-497-1469?

NSN 2940-01-497-1469 is a Filter Element,fluid, manufactured by Cummins Filtration Inc Dba Fleetguard Div Cummins Inc, classified under FSC 2940 (No Item Name Available). Status: active.

What are the part numbers for NSN 2940-01-497-1469?

NSN 2940-01-497-1469 has 14 cross-referenced part numbers: 91309 (Langa Industrial Sa), 92269822 (Thales Sa), 3937743 (Cummins South Pacific Pty Ltd Head Office), 3937345 (Cummins Inc), 91309 (Oshkosh Aerotech Uk Limited) and 9 more.

What NSN replaces 2940-01-497-1469?

There are 3 known substitutes for 2940-01-497-1469: 5950-01-006-2259, 2940-01-280-8419, 6515-01-680-2743. Verify interchangeability with system specifications before substitution.

What are the specifications of LF3959?

Key specifications for LF3959: End Item Identification: MODEL 4B AND 6B CUMMINS ENGINES; Special Features: MEDIA EFFICIENCY AT 30 MICRON IS 95%, AT 10 MICRON IS 30%; FLEETGUARD FILTER P/N LF3894 MAY BE USED AS AN UPGRADE.; Part Name Assigned by Controlling Agency: OIL FILTER; Body Diameter: 3.680 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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