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PartsTable / COMPONENT / AF178
AF178 ✓ 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: ALUMINUM ALLOY 3003 AND POLYESTER (USE PCY000) FILTERING MEDIUM, design_type: LIMITED, overall_width: 1.312 INCHES NOMINAL IN, body_thickness: 0.250 INCHES NOMINAL IN, special_features: 0.125 IN. DIA,2 HOLES LOCATED ON EA LG DIM.,0.750 FROM EA END TO CTR OF HOLE IN, style_designator: RECTANGULAR (INCL SQUARE).

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2940-00-869-5701, 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
AF178
NSN: 2940-00-869-5701
FSC: 2940
CAGE: 37099 — LUBER-FINER INC SUB OF CHAMPION LABORATORIES INC AFFIL OF UIS INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 3003 AND POLYESTER (USE PCY000) FILTERING MEDIUM
design_typeLIMITED
overall_width1.312 INCHES NOMINAL IN
body_thickness0.250 INCHES NOMINAL IN
special_features0.125 IN. DIA,2 HOLES LOCATED ON EA LG DIM.,0.750 FROM EA END TO CTR OF HOLE IN
style_designatorRECTANGULAR (INCL SQUARE)
body_overall_length5.500 INCHES NOMINAL IN
filtering_media_designPOROUS SECOND FILTERING MEDIA RESPONSE
NSN2940-00-869-5701
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER ELEMENT,INTAKE AIR CLEANE TITLE COMPONENT PN AF178 MFR FILTER ELEMENT,INTAKE
KEY FEATURES
•
BODY INSIDE DIAMETER: 8.188 INCHES NOMINAL IN
•
BODY OVERALL LENGTH: 3.537 INCHES NOMINAL IN
•
BODY DIAMETER: 9.718 INCHES NOMINAL IN
•
DESIGN TYPE: LIMITED
•
STYLE DESIGNATOR: CYLINDRICAL W/CLOSED ENDS
•
FILTERING MEDIA DESIGN: PLEATED SINGLE FILTERING MEDIA RESPONSE
•
MATERIAL: PAPER FILTERING MEDIUM
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER8.188 INCHES NOMINAL IN
BODY OVERALL LENGTH3.537 INCHES NOMINAL IN
BODY DIAMETER9.718 INCHES NOMINAL IN
DESIGN TYPELIMITED
STYLE DESIGNATORCYLINDRICAL W/CLOSED ENDS
FILTERING MEDIA DESIGNPLEATED SINGLE FILTERING MEDIA RESPONSE
MATERIALPAPER FILTERING MEDIUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
42088Interchangeable
interchangeable cross-reference
interchangeable
2925EG001Interchangeable
interchangeable cross-reference
interchangeable
5610Interchangeable
interchangeable cross-reference
interchangeable
O-C-265Interchangeable
interchangeable cross-reference
interchangeable
2088Interchangeable
interchangeable cross-reference
interchangeable
6770Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AF178?
AF178 is a FILTER ELEMENT,INTAKE AIR CLEANE.
What parts can replace AF178?
There are 25 known substitutes for AF178: 42088, 2925EG001, 5610 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AF178?
AF178 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2940-00-869-5701. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026