PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28040FS20000 Engine Fuel Filter

Willard Marine, Inc. · NSN 2805-01-562-8579 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-01-562-8579 — this item is cataloged by the U.S. Government under National Stock Number 2805-01-562-8579. Primary manufacturer part number: 28040.
Features
  • FS20000 Engine Fuel Filter — FSC 2805
  • 1 verified cross-reference
  • Primary manufacturer: Willard Marine, Inc.
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Mechanical power generation
  • Drive system operation
General Description

The FS20000 Engine Fuel Filter, cataloged under National Stock Number 2805-01-562-8579, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Willard Marine, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-01-562-8579
Primary Part Number28040
Item NameFS20000 Engine Fuel Filter
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerWillard Marine, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4810-00-068-6712 INTERCHANGEABLE
Valve,solenoid
4810-00-081-567026330053 INTERCHANGEABLE
Valve,solenoid
Rtx Corporation Div Pratt & Whitney
5120-00-203-4808 INTERCHANGEABLE
Wrench,open End
4810-00-884-843128040 INTERCHANGEABLE
Valve,solenoid
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6850-01-005-48571175 INTERCHANGEABLE
Antifogging Compound
Silar Laboratories Inc
5950-01-023-2587 INTERCHANGEABLE
Coil,radio Frequency
9905-01-059-3724 INTERCHANGEABLE
Plate,instruction
8115-01-338-833428040 INTERCHANGEABLE
Box,small Parts
Cargille-Sacher Laboratories, Inc
5961-01-393-443728040 INTERCHANGEABLE
Semiconductor Device,diode
Eldec Aerospace Corp
6515-01-466-4475280.40 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
28040 PRIMARY Willard Marine, Inc. (USA)
Related Parts
4810-00-068-6712INTERCHANGEABLE
VALVE,SOLENOID
4810-00-081-5670INTERCHANGEABLE
VALVE,SOLENOID
26330053
5120-00-203-4808INTERCHANGEABLE
WRENCH,OPEN END
4810-00-884-8431INTERCHANGEABLE
VALVE,SOLENOID
28040
6850-01-005-4857INTERCHANGEABLE
ANTIFOGGING COMPOUND
1175
5950-01-023-2587INTERCHANGEABLE
COIL,RADIO FREQUENCY
9905-01-059-3724INTERCHANGEABLE
PLATE,INSTRUCTION
8115-01-338-8334INTERCHANGEABLE
BOX,SMALL PARTS
28040
5961-01-393-4437INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
28040
6515-01-466-4475INTERCHANGEABLE
SCREW,BONE
280.40

Frequently Asked Questions

What is NSN 2805-01-562-8579?

NSN 2805-01-562-8579 is a FS20000 Engine Fuel Filter, manufactured by Willard Marine, Inc., classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-01-562-8579?

NSN 2805-01-562-8579 has 1 cross-referenced part number: 28040 (Willard Marine, Inc.).

What NSN replaces 2805-01-562-8579?

There are 10 known substitutes for 2805-01-562-8579: 4810-00-068-6712, 4810-00-081-5670, 5120-00-203-4808 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28040?

Key specifications for 28040: End Item Identification: NSC 417 FT., WMSL-750 FT. 1 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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