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FIL 3966 ✓ 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

The FILTER ELEMENT,FLUID is a the manufacturer industrial component. Key specifications include head_style: ROUND, thread_class: 2A A, thread_length: 0.875 INCHES NOMINAL IN, fastener_length: 0.875 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, internal_drive_style: SLOT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2940-01-625-9189, 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
FIL 3966
NSN: 2940-01-625-9189
FSC: 2940
CAGE: 050Q3 — NATIONAL AUTOMOTIVE PARTS ASSN/NAPA/ (USA)
SPECIFICATIONS
head_styleROUND
thread_class2A A
thread_length0.875 INCHES NOMINAL IN
fastener_length0.875 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
end_item_identificationNSN 2320-01-304-2277 PLS (PALLETIZED LOADING SYSTEM)
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentCADMIUM
thread_quantity_per_inch24
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
screw_surface_treatment_document_and_classificationAN-P-61 MIL SPEC SINGLE TREATMENT RESPONSE
NSN2940-01-625-9189
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER ELEMENT,FLUID TITLE COMPONENT PN FIL 3966 MFR FILTER ELEMENT,FLUID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
SA47Interchangeable
interchangeable cross-reference
interchangeable
3966Interchangeable
interchangeable cross-reference
interchangeable
SC-D-1736NInterchangeable
interchangeable cross-reference
interchangeable
SMB501107Interchangeable
interchangeable cross-reference
interchangeable
G302062-1Interchangeable
interchangeable cross-reference
interchangeable
5223-A-4-0Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FIL 3966?
FIL 3966 is a FILTER ELEMENT,FLUID.
What parts can replace FIL 3966?
There are 8 known substitutes for FIL 3966: SA47, 3966, SC-D-1736N and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FIL 3966?
FIL 3966 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2940-01-625-9189. 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