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4401K18 — FILTER BODY,INTAKE AIR CLEANER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4401K18: FILTER BODY,INTAKE AIR CLEANER.

The FILTER BODY,INTAKE AIR CLEANER is a the manufacturer industrial component. Key specifications include material: STEEL AND POLYESTER (USE PCY000) BODY, body_diameter: 6.000 INCHES NOMINAL IN, mounting_type: INLET CONNECTION BOTTOM, style_designator: CYLINDRICAL W/CLOSED ENDS, thread_direction: RIGHT-HAND, body_overall_length: 5.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2940-01-497-5105, 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
4401K18
NSN: 2940-01-497-5105
FSC: 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL AND POLYESTER (USE PCY000) BODY
body_diameter6.000 INCHES NOMINAL IN
mounting_typeINLET CONNECTION BOTTOM
style_designatorCYLINDRICAL W/CLOSED ENDS
thread_directionRIGHT-HAND
body_overall_length5.000 INCHES NOMINAL IN
body_inside_diameter3.625 INCHES NOMINAL IN
end_item_identificationAIRCRAFT SUPPORT EQUIPMENT TEST CONSOLE, B-2 BOMBER
media_for_which_designedAIR
first_intake_connection_typeTHREADED EXTERNAL PIPE BOTTOM
first_intake_thread_directionRIGHT-HAND
first_intake_nominal_thread_size2.000 INCHES IN
NSN2940-01-497-5105
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER BODY,INTAKE AIR CLEANER TITLE COMPONENT PN 4401K18 MFR FILTER BODY,INTAKE AIR
KEY FEATURES
•
BODY DIAMETER: 6.000 INCHES NOMINAL IN
•
BODY OVERALL LENGTH: 5.000 INCHES NOMINAL IN
•
FIRST INTAKE NOMINAL THREAD SIZE: 2.000 INCHES IN
•
FIRST INTAKE THREAD SERIES DESIGNATOR: NPT
•
FIRST INTAKE THREAD DIRECTION: RIGHT-HAND
•
FIRST INTAKE CONNECTION TYPE: THREADED EXTERNAL PIPE BOTTOM
•
STYLE DESIGNATOR: CYLINDRICAL W/CLOSED ENDS
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
BODY DIAMETER6.000 INCHES NOMINAL IN
BODY OVERALL LENGTH5.000 INCHES NOMINAL IN
FIRST INTAKE NOMINAL THREAD SIZE2.000 INCHES IN
FIRST INTAKE THREAD SERIES DESIGNATORNPT
FIRST INTAKE THREAD DIRECTIONRIGHT-HAND
FIRST INTAKE CONNECTION TYPETHREADED EXTERNAL PIPE BOTTOM
STYLE DESIGNATORCYLINDRICAL W/CLOSED ENDS
THREAD DIRECTIONRIGHT-HAND
BODY INSIDE DIAMETER3.625 INCHES NOMINAL IN
FILTERING SYSTEM FOR WHICH DESIGNEDFULL FLOW
OTHER ITEMS IN FSC 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2940-00-001-1259 2940-00-001-3513 2940-00-001-3988 2940-00-001-3991
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4401K18?
4401K18 is a FILTER BODY,INTAKE AIR CLEANER.
What is the NSN for 4401K18?
4401K18 is cataloged in the U.S. Government catalog under NSN 2940-01-497-5105. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.