PartsTable
Technical Data Sheet
PartsTable / MRO / 644501
644501 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
SAS cables have specific lane counts: 4i (internal) or 4e (external) Cable length matters — too short won't reach, too long creates clutter
Verify connector type on BOTH ends — many SAS cables are asymmetric
PRODUCT OVERVIEW

CAPACITOR,FIXED,PLASTIC DIELECTR. Key specifications include body_style: W/MTG BRACKET, AXIAL TERMINALS, body_length: 0.875 INCHES NOMINAL IN, body_diameter: 0.312 INCHES NOMINAL IN, terminal_length: 1.625 INCHES MINIMUM IN, special_features: PARTS CATALOG (MAINTENANCE) 26-11-52-01, features_provided: HERMETICALLY SEALED CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-518-4710, 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→ 644501
NSN: 5998-01-518-4710
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 25693 — MEGGITT SAFETY SYSTEMS INC (USA)
SPECIFICATIONS
body_styleW/MTG BRACKET, AXIAL TERMINALS
body_length0.875 INCHES NOMINAL IN
body_diameter0.312 INCHES NOMINAL IN
terminal_length1.625 INCHES MINIMUM IN
special_featuresPARTS CATALOG (MAINTENANCE) 26-11-52-01
features_providedHERMETICALLY SEALED CASE
terminal_diameter0.025 INCHES NOMINAL IN
dielectric_materialPAPER AND PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER)
reliability_indicatorNOT ESTABLISHED
end_item_identificationBOEING 757
nonderated_operating_temp-65.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
NSN5998-01-518-4710
COMPONENT DIAGRAM
CONN A SFF-8482 CONN B SFF-8087 LENGTH: SAS CABLE ASSEMBLY | SFF-8482 to SFF-8087 Cable length: | SAS | Shielded TITLE CABLE ASSY PN 644501 MFR CAPACITOR,FIXED,PLASTIC DIELECTR
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)
SPECIAL FEATURESPARTS CATALOG (MAINTENANCE) 26-11-52-01
END ITEM IDENTIFICATIONBOEING 757
PART NAME ASSIGNED BY CONTROLLING AGENCYCARD ASSY-FIRE AND OVERHEAT DETECTION
SPECIAL FEATURESPARTS CATALOG (MAINTENANCE) 26-11-52-01
END ITEM IDENTIFICATIONBOEING 757
PART NAME ASSIGNED BY CONTROLLING AGENCYCARD ASSY-FIRE AND OVERHEAT DETECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
CQ10A1KC473K3Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-19978/20Interchangeable
interchangeable cross-reference
interchangeable
MILC25Interchangeable
interchangeable cross-reference
interchangeable
6445-01Interchangeable
interchangeable cross-reference
interchangeable
5900 ITEM 10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 644501?
644501 is a CAPACITOR,FIXED,PLASTIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 644501?
There are 5 known substitutes for 644501: CQ10A1KC473K3, MIL-C-19978/20, MILC25 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 644501?
644501 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-518-4710. 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