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Technical Data Sheet
AT44378 ✓ Verified by PartsTable
· 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

FILTER ELEMENT,INTAKE AIR CLEANE. Key specifications include material: METAL CONTAINER/CARTRIDGE, design_type: NONREUSABLE, body_diameter: 3.410 INCHES NOMINAL IN, style_designator: CYLINDRICAL W/ CONTAINER (RIGID), body_overall_length: 11.000 INCHES NOMINAL IN, body_inside_diameter: 2.400 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2940-01-268-2480, 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
AT44378
NSN: 2940-01-268-2480
FSC: 2940
CAGE: 75160 — DEERE & CO (USA)
SPECIFICATIONS
materialMETAL CONTAINER/CARTRIDGE
design_typeNONREUSABLE
body_diameter3.410 INCHES NOMINAL IN
special_featuresCLOSED END CAP W/0.660 IN. DIA BOLT HOLE; PERFORATED INNER AND OUTER SHELLS; OPEN END INCLUDES FLANGE MTD SEALING GASKET IN
style_designatorCYLINDRICAL W/ CONTAINER (RIGID)
body_overall_length11.000 INCHES NOMINAL IN
body_inside_diameter2.400 INCHES NOMINAL IN
filtering_media_designPLEATED SINGLE FILTERING MEDIA RESPONSE
end_item_identificationCONSTRUCTION EQUIPMENT,JOHN DEERE,MODEL JD440,JD540
NSN2940-01-268-2480
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER ELEMENT,INTAKE AIR CLEANE TITLE COMPONENT PN AT44378 MFR FILTER ELEMENT,INTAKE
KEY FEATURES
STYLE DESIGNATOR: CYLINDRICAL W/ CONTAINER (RIGID)
TAPERED HOLE MINOR DIAMETER: 0.671 INCHES NOMINAL IN
BODY DIAMETER: 6.860 INCHES NOMINAL IN
TAPERED HOLE MAJOR DIAMETER: 4.202 INCHES NOMINAL IN
DESIGN TYPE: NONREUSABLE
BODY OVERALL LENGTH: 8.287 INCHES NOMINAL IN
FILTERING MEDIA DESIGN: PLEATED SINGLE FILTERING MEDIA RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCYLINDRICAL W/ CONTAINER (RIGID)
TAPERED HOLE MINOR DIAMETER0.671 INCHES NOMINAL IN
SPECIAL FEATURESUSED ON J.I.CASE 1987 SCOOP-LOADER MDLS. 2470 AND MW36
BODY DIAMETER6.860 INCHES NOMINAL IN
TAPERED HOLE MAJOR DIAMETER4.202 INCHES NOMINAL IN
DESIGN TYPENONREUSABLE
BODY OVERALL LENGTH8.287 INCHES NOMINAL IN
FILTERING MEDIA DESIGNPLEATED SINGLE FILTERING MEDIA RESPONSE
MATERIALPAPER FILTERING MEDIUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
42623Interchangeable
interchangeable cross-reference
interchangeable
40529-1Interchangeable
interchangeable cross-reference
interchangeable
40529Interchangeable
interchangeable cross-reference
interchangeable
2BA557Interchangeable
interchangeable cross-reference
interchangeable
722912-50Interchangeable
interchangeable cross-reference
interchangeable
ROM/PROM FAMILY 008Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AT44378?
AT44378 is a FILTER ELEMENT,INTAKE AIR CLEANE.
What parts can replace AT44378?
There are 10 known substitutes for AT44378: 42623, 40529-1, 40529 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AT44378?
AT44378 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2940-01-268-2480. This indicates validated use in U.S. government and defense supply chains.
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