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Technical Data Sheet
400121 ✓ 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

The CAPACITOR,ELECTRICAL 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 material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, center_hole_diameter: 11.500 MILLIMETERS NOMINAL MM, cross-sectional_height: 7.700 MILLIMETERS NOMINAL MM, end_item_identification: APL UPDATE, part_name_assigned_by_controlling_agency: V-RING SEALS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 9540-00-111-7574, 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
400121
NSN: 9540-00-111-7574
FSC: 9540
CAGE: 97499 — BELL TEXTRON INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
center_hole_diameter11.500 MILLIMETERS NOMINAL MM
cross-sectional_height7.700 MILLIMETERS NOMINAL MM
end_item_identificationAPL UPDATE
part_name_assigned_by_controlling_agencyV-RING SEALS
NSN9540-00-111-7574
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,ELECTRICAL TITLE COMPONENT PN 400121 MFR CAPACITOR,ELECTRICAL
KEY FEATURES
LEFT SIDE FLANGE THICKNESS: 0.102 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA: 2024 ALLOY AND T3511 TEMPER
SECOND TIP RELATIONSHIP TO FIRST TIP: IDENTICAL
BASE FLANGE THICKNESS: 0.102 INCHES NOMINAL IN
HEAT TREATMENT: T-3511 SOLUTION HEAT TREATED
BASIC SHAPE STYLE: ANGLE
LEFT INSIDE ANGLE: 64.8 DEGREES NOMINAL
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)
LEFT SIDE FLANGE THICKNESS0.102 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA2024 ALLOY AND T3511 TEMPER
SECOND TIP RELATIONSHIP TO FIRST TIPIDENTICAL
BASE FLANGE THICKNESS0.102 INCHES NOMINAL IN
HEAT TREATMENTT-3511 SOLUTION HEAT TREATED
OVERALL HEIGHT1.094 INCHES NOMINAL IN
BASIC SHAPE STYLEANGLE
LEFT INSIDE ANGLE64.8 DEGREES NOMINAL
OVERALL WIDTH1.875 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
AA7T279Interchangeable
interchangeable cross-reference
interchangeable
400121Interchangeable
interchangeable cross-reference
interchangeable
25327Interchangeable
interchangeable cross-reference
interchangeable
SM-B-187328Interchangeable
interchangeable cross-reference
interchangeable
56023Interchangeable
interchangeable cross-reference
interchangeable
R119-36AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 400121?
400121 is a CAPACITOR,ELECTRICAL.
What parts can replace 400121?
There are 14 known substitutes for 400121: AA7T279, 400121, 25327 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 400121?
400121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 9540-00-111-7574. This indicates validated use in U.S. government and defense supply chains.
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