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AL9 ✓ 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,CERAMIC DIELECTR. Key specifications include phase: SINGLE INPUT, shape: CYLINDRICAL, material: STEEL WRENCHING SURFACE, body_style: UNSHIELDED, SOLID POST, GASKET SEAT, step_length: 0.469 INCHES NOMINAL SINGLE END IN, temp_rating: -54.0 OPERATING CELSIUS AND 55.0 OPERATING CELSIUS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2920-00-542-1320, 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
AL9
NSN: 2920-00-542-1320
FSC: 2920
CAGE: 57526 — FORD MOTOR COMPANY (USA)
SPECIFICATIONS
phaseSINGLE INPUT
shapeCYLINDRICAL
materialSTEEL WRENCHING SURFACE
body_styleUNSHIELDED, SOLID POST, GASKET SEAT
step_length0.469 INCHES NOMINAL SINGLE END IN
temp_rating-54.0 OPERATING CELSIUS AND 55.0 OPERATING CELSIUS
blade_length4.000 INCHES NOMINAL IN
current_typeAC INPUT
reach_length0.437 INCHES NOMINAL IN
usage_designFLASHLIGHTS,RADIOS,RECORDERS,TOYS,PHOTO AND CALCULATORS
overall_width1.750 INCHES IN
step_diameter0.187 INCHES NOMINAL SINGLE END IN
NSN2920-00-542-1320
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,CERAMIC DIELECTR TITLE COMPONENT PN AL9 MFR CAPACITOR,FIXED,CERAMI
KEY FEATURES
•
NONDEFINITIVE SPEC/STD DATA: 3 TYPE AND B CLASS
•
TEST DATA DOCUMENT: 81348-WS506 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
REACH LENGTH: 0.437 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.812 INCHES NOMINAL IN
•
BODY STYLE: UNSHIELDED, SOLID POST, GASKET SEAT
•
ELECTRODE STYLE: SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
•
USAGE DESIGN: ENGINE OTHER THAN AIRCRAFT
•
PRESSURE RATING: 145.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
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)
NONDEFINITIVE SPEC/STD DATA3 TYPE AND B CLASS
TEST DATA DOCUMENT81348-WS506 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
REACH LENGTH0.437 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.812 INCHES NOMINAL IN
BODY STYLEUNSHIELDED, SOLID POST, GASKET SEAT
ELECTRODE STYLESINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
USAGE DESIGNENGINE OTHER THAN AIRCRAFT
PRESSURE RATING145.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
SEAT MAJOR DIAMETER0.8125 INCHES MAXIMUM IN
HEIGHT ABOVE MOUNTING SURFACE2.310 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
H11Interchangeable
interchangeable cross-reference
interchangeable
H011Interchangeable
interchangeable cross-reference
interchangeable
MS13Interchangeable
interchangeable cross-reference
interchangeable
RMS12Interchangeable
interchangeable cross-reference
interchangeable
H1Interchangeable
interchangeable cross-reference
interchangeable
571-3402-1303157PCSP55Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AL9?
AL9 is a CAPACITOR,FIXED,CERAMIC DIELECTR.
What parts can replace AL9?
There are 18 known substitutes for AL9: H11, H011, MS13 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AL9?
AL9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2920-00-542-1320. 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