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PF166 ✓ 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

CAPACITOR,FIXED,METALLIZED,PAPER. Key specifications include material: PAPER FILTERING MEDIUM, design_type: NONREUSABLE, body_diameter: 3.594 INCHES NOMINAL IN, flow_direction: OUTSIDE IN, style_designator: CYLINDRICAL W/ CONTAINER (RIGID), body_overall_length: 8.495 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 2940-00-724-1393, 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
PF166
NSN: 2940-00-724-1393
FSC: 2940
CAGE: 70040 — GENERAL MOTORS LLC DBA GENERAL MOTORS (USA)
SPECIFICATIONS
materialPAPER FILTERING MEDIUM
design_typeNONREUSABLE
body_diameter3.594 INCHES NOMINAL IN
flow_directionOUTSIDE IN
style_designatorCYLINDRICAL W/ CONTAINER (RIGID)
body_overall_length8.495 INCHES NOMINAL IN
body_inside_diameter1.281 INCHES NOMINAL IN
filtering_media_designPLEATED SINGLE FILTERING MEDIA RESPONSE
media_for_which_designedFUEL/OIL, HYDROCARBON
NSN2940-00-724-1393
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,METALLIZED,PAPER TITLE COMPONENT PN PF166 MFR CAPACITOR,FIXED,METALL
KEY FEATURES
•
MATERIAL: METAL CONTAINER/CARTRIDGE
•
FLOW DIRECTION: OUTSIDE IN
•
DESIGN TYPE: NONREUSABLE
•
BODY OVERALL LENGTH: 8.495 INCHES NOMINAL IN
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON
•
BODY INSIDE DIAMETER: 1.281 INCHES NOMINAL IN
•
FILTERING MEDIA DESIGN: PLEATED SINGLE FILTERING MEDIA RESPONSE
•
STYLE DESIGNATOR: CYLINDRICAL W/ CONTAINER (RIGID)
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALMETAL CONTAINER/CARTRIDGE
FLOW DIRECTIONOUTSIDE IN
DESIGN TYPENONREUSABLE
BODY OVERALL LENGTH8.495 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON
BODY INSIDE DIAMETER1.281 INCHES NOMINAL IN
FILTERING MEDIA DESIGNPLEATED SINGLE FILTERING MEDIA RESPONSE
STYLE DESIGNATORCYLINDRICAL W/ CONTAINER (RIGID)
BODY DIAMETER3.594 INCHES NOMINAL IN
MATERIALPAPER FILTERING MEDIUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
411267Interchangeable
interchangeable cross-reference
interchangeable
S37X12Interchangeable
interchangeable cross-reference
interchangeable
P115Interchangeable
interchangeable cross-reference
interchangeable
308267Interchangeable
interchangeable cross-reference
interchangeable
5961001345692Interchangeable
interchangeable cross-reference
interchangeable
1106P0211Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PF166?
PF166 is a CAPACITOR,FIXED,METALLIZED,PAPER.
What parts can replace PF166?
There are 25 known substitutes for PF166: 411267, S37X12, P115 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PF166?
PF166 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2940-00-724-1393. 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