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Technical Data Sheet
PartsTable / MRO / 800991
800991 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 operation_method: HYDRAULIC, protective_shield_type: DUST, nominal_extended_length: 17.438 INCHES IN, nominal_compressed_length: 10.938 INCHES IN, piston_end_connection_style: RING, piston_end_nominal_thickness: 0.938 INCHES 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 6625-01-027-7057, 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
MRO→ MRO_GENERAL→ 800991
NSN: 6625-01-027-7057
FSC: 6625
CAGE: 82340 — L3HARRIS TECHNOLOGIES, INC. DIV SPACE AND AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
operation_methodHYDRAULIC
protective_shield_typeDUST
nominal_extended_length17.438 INCHES IN
nominal_compressed_length10.938 INCHES IN
piston_end_connection_styleRING
piston_end_nominal_thickness0.938 INCHES IN
cylinder_end_connection_styleRING
cylinder_end_nominal_thickness0.938 INCHES IN
piston_end_nominal_outside_diameter2.125 INCHES IN
cylinder_end_nominal_outside_diameter2.125 INCHES IN
piston_end_nominal_largest_inside_diameter1.250 INCHES IN
cylinder_end_nominal_largest_inside_diameter1.250 INCHES IN
NSN6625-01-027-7057
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,METALLIZED,PAPER TITLE COMPONENT PN 800991 MFR CAPACITOR,FIXED,METALL
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
648201Interchangeable
interchangeable cross-reference
interchangeable
4142Interchangeable
interchangeable cross-reference
interchangeable
A169Interchangeable
interchangeable cross-reference
interchangeable
80099-1Interchangeable
interchangeable cross-reference
interchangeable
905A1B1WC2HInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 800991?
800991 is a CAPACITOR,FIXED,METALLIZED,PAPER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 800991?
There are 5 known substitutes for 800991: 648201, 4142, A169 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 800991?
800991 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-027-7057. 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