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PartsTable / COMPONENT / SS-P-166
SS-P-166 ✓ 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,PAPER DIELECTRIC. Key specifications include length: 6.688 INCHES IN, lead_size: THIN, lead_color: GRAY/GREY, usage_design: DUPLICATING, special_features: FOR BLUEPRINT CHECKING, marking_medium_type: NONINDELIBLE GRAPHITE LEAD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7510-00-189-7873, 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
SS-P-166
NSN: 7510-00-189-7873
FSC: 7510
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
length6.688 INCHES IN
lead_sizeTHIN
lead_colorGRAY/GREY
usage_designDUPLICATING
special_featuresFOR BLUEPRINT CHECKING
marking_medium_typeNONINDELIBLE GRAPHITE LEAD
hardness_designation3
lead_cross-sectional_shapeROUND
nondefinitive_spec/std_data1 TYPE AND B CLASS
part_name_assigned_by_controlling_agencyPENCIL GRAPHITE LEAD NONINDELIBLE FIRM EXTRA THIN 12S
NSN7510-00-189-7873
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN SS-P-166 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
LEAD SIZE: THICK
•
MARKING MEDIUM TYPE: NONINDELIBLE GRAPHITE LEAD
•
HARDNESS DESIGNATION: SOFT
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)
LEAD SIZETHICK
MARKING MEDIUM TYPENONINDELIBLE GRAPHITE LEAD
HARDNESS DESIGNATIONSOFT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
0009887Interchangeable
interchangeable cross-reference
interchangeable
76639Interchangeable
interchangeable cross-reference
interchangeable
14420Interchangeable
interchangeable cross-reference
interchangeable
1340Interchangeable
interchangeable cross-reference
interchangeable
A-A-2769Interchangeable
interchangeable cross-reference
interchangeable
1227Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SS-P-166?
SS-P-166 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace SS-P-166?
There are 29 known substitutes for SS-P-166: 0009887, 76639, 14420 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SS-P-166?
SS-P-166 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7510-00-189-7873. 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