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Technical Data Sheet
PartsTable / MRO / 6550-43
6550-43 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The CAPACITOR,FIXED,ELECTROLYTIC is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include tolerance_range_per_section: -20.00 TO 20.00 PERCENT SINGLE SECTION, capacitance_value_per_section: 6.800 MICROFARADS SINGLE SECTION, nonderated_continuous_voltage_rating_and_type_per_section: 10.0 DC SINGLE SECTION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-240-8815, 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→ 6550-43
NSN: 5330-01-240-8815
FSC: 5330
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
tolerance_range_per_section-20.00 TO 20.00 PERCENT SINGLE SECTION
capacitance_value_per_section6.800 MICROFARADS SINGLE SECTION
nonderated_continuous_voltage_rating_and_type_per_section10.0 DC SINGLE SECTION
NSN5330-01-240-8815
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6550-43 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
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
515-78Interchangeable
interchangeable cross-reference
interchangeable
1578Interchangeable
interchangeable cross-reference
interchangeable
DX1677BInterchangeable
interchangeable cross-reference
interchangeable
67C54038P1Interchangeable
interchangeable cross-reference
interchangeable
655043Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6550-43?
6550-43 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 6550-43?
There are 5 known substitutes for 6550-43: 515-78, 1578, DX1677B and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6550-43?
6550-43 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-240-8815. 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