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Technical Data Sheet
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LF509N — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The FILTER ELEMENT,FLUID is a the manufacturer industrial component. Key specifications include material: STEEL BODY, design_type: NONREUSABLE, body_diameter: 4.469 INCHES NOMINAL IN, flow_direction: INSIDE OUT OR OUTSIDE IN, style_designator: CYLINDRICAL W/ CONTAINER (RIGID), body_overall_length: 9.047 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System under NSN 4330-01-180-9978, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
LF509N
NSN: 4330-01-180-9978
FSC: 4330
CAGE: K2171 — TWIN DISC INTERNATIONAL S A (GBR)
SPECIFICATIONS
materialSTEEL BODY
design_typeNONREUSABLE
body_diameter4.469 INCHES NOMINAL IN
flow_directionINSIDE OUT OR OUTSIDE IN
style_designatorCYLINDRICAL W/ CONTAINER (RIGID)
body_overall_length9.047 INCHES NOMINAL IN
body_inside_diameter1.453 INCHES NOMINAL IN
filtering_media_designPLEATED SINGLE FILTERING MEDIA RESPONSE
media_for_which_designedFUEL/OIL, HYDROCARBON
NSN4330-01-180-9978
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER ELEMENT,FLUID TITLE COMPONENT PN LF509N MFR FILTER ELEMENT,FLUID
KEY FEATURES
•
FLOW DIRECTION: INSIDE OUT OR OUTSIDE IN
•
DESIGN TYPE: NONREUSABLE
•
BODY OVERALL LENGTH: 9.047 INCHES NOMINAL IN
•
MATERIAL: STEEL BODY
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON
•
STYLE DESIGNATOR: CYLINDRICAL W/ CONTAINER (RIGID)
•
FILTERING MEDIA DESIGN: PLEATED SINGLE FILTERING MEDIA RESPONSE
•
BODY DIAMETER: 4.469 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLOW DIRECTIONINSIDE OUT OR OUTSIDE IN
DESIGN TYPENONREUSABLE
BODY OVERALL LENGTH9.047 INCHES NOMINAL IN
MATERIALSTEEL BODY
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON
STYLE DESIGNATORCYLINDRICAL W/ CONTAINER (RIGID)
FILTERING MEDIA DESIGNPLEATED SINGLE FILTERING MEDIA RESPONSE
BODY DIAMETER4.469 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.453 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
32.540-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
157004InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
41125030InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AR4SS4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
HB-4-144InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
FXJ44-14BInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LF509N?
LF509N is a FILTER ELEMENT,FLUID.
What parts can replace LF509N?
There are 32 known substitutes for LF509N: 32.540-1, 157004, 41125030 and 29 more. Substitute compatibility should be verified for your specific system.
Is LF509N still available?
LF509N is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026