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278166 — FILTER ELEMENT,FLUID

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

278166: FILTER ELEMENT,FLUID.

The FILTER ELEMENT,FLUID is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, design_type: NONREUSABLE, body_diameter: 3.672 INCHES NOMINAL IN, flow_direction: INSIDE OUT, style_designator: CYLINDRICAL W/ INTEGRAL OUTER CASING, body_overall_length: 4.547 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2940-01-164-6206, 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
278166
NSN: 2940-01-164-6206
FSC: 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
CAGE: 73370 — HONEYWELL INTERNATIONAL INC DBA HONEYWELL DIV CONSUMER PRODUCTS GROUP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
design_typeNONREUSABLE
body_diameter3.672 INCHES NOMINAL IN
flow_directionINSIDE OUT
style_designatorCYLINDRICAL W/ INTEGRAL OUTER CASING
body_overall_length4.547 INCHES NOMINAL IN
filtering_media_designPERFORATED SINGLE FILTERING MEDIA RESPONSE
media_for_which_designedFUEL/OIL, HYDROCARBON
filtration_rating_in_microns15.0 NOMINAL
filtering_system_for_which_designedFULL FLOW
NSN2940-01-164-6206
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER ELEMENT,FLUID TITLE COMPONENT PN 278166 MFR FILTER ELEMENT,FLUID
KEY FEATURES
•
FILTERING MEDIA DESIGN: PERFORATED SINGLE FILTERING MEDIA RESPONSE
•
BODY DIAMETER: 3.672 INCHES NOMINAL IN
•
BODY OVERALL LENGTH: 4.547 INCHES NOMINAL IN
•
FILTRATION RATING IN MICRONS: 15.0 NOMINAL
•
FLOW DIRECTION: INSIDE OUT
•
DESIGN TYPE: NONREUSABLE
•
STYLE DESIGNATOR: CYLINDRICAL W/ INTEGRAL OUTER CASING
•
FILTERING SYSTEM FOR WHICH DESIGNED: FULL FLOW
TECHNICAL CHARACTERISTICS
FILTERING MEDIA DESIGNPERFORATED SINGLE FILTERING MEDIA RESPONSE
BODY DIAMETER3.672 INCHES NOMINAL IN
BODY OVERALL LENGTH4.547 INCHES NOMINAL IN
FILTRATION RATING IN MICRONS15.0 NOMINAL
FLOW DIRECTIONINSIDE OUT
DESIGN TYPENONREUSABLE
STYLE DESIGNATORCYLINDRICAL W/ INTEGRAL OUTER CASING
FILTERING SYSTEM FOR WHICH DESIGNEDFULL FLOW
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON
MATERIALALUMINUM ALLOY BODY
SUBSTITUTES & CROSS-REFERENCES 3
1624Reference document
Same NSN cross-reference
Reference document — Secondary reference
10-21-238-004Reference document
Same NSN cross-reference
Reference document — Secondary reference
178800Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 278166?
278166 is a FILTER ELEMENT,FLUID.
What parts can replace 278166?
There are 3 known substitutes for 278166: 1624, 10-21-238-004, 178800. Substitute compatibility should be verified for your specific system.
What is the NSN for 278166?
278166 is cataloged in the U.S. Government catalog under NSN 2940-01-164-6206. 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.