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PartsTable / COMPONENT / MS25054-1A
MS25054-1A ✓ 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,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 material: COPPER ALLOY ELECTRICAL TERMINATION, outside_diameter: 2.500 INCHES NOMINAL IN, center_stud_length: 1.970 INCHES NOMINAL IN, base_inside_diameter: 0.002 INCHES NOMINAL IN, furnished_items_and_quantity: 6 NUT AND 2 FLAT WASHER AND 1 CLAMP RING AND 1 STOP CAP NUT, height_above_mounting_surface: 1.620 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5970-00-501-1761, 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
MS25054-1A
NSN: 5970-00-501-1761
FSC: 5970
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER ALLOY ELECTRICAL TERMINATION
outside_diameter2.500 INCHES NOMINAL IN
center_stud_length1.970 INCHES NOMINAL IN
base_inside_diameter0.002 INCHES NOMINAL IN
furnished_items_and_quantity6 NUT AND 2 FLAT WASHER AND 1 CLAMP RING AND 1 STOP CAP NUT
height_above_mounting_surface1.620 INCHES NOMINAL IN
electrical_termination_quantity1
mounting_facility_type_and_quantity6 UNTHREADED HOLE(S)
NSN5970-00-501-1761
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN MS25054-1A MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 6 UNTHREADED HOLE(S)
•
MATERIAL: COPPER ALLOY ELECTRICAL TERMINATION
•
FURNISHED ITEMS AND QUANTITY: 6 NUT AND 2 FLAT WASHER AND 1 CLAMP RING AND 1 STOP CAP NUT
•
CENTER STUD LENGTH: 1.970 INCHES NOMINAL IN
•
BASE INSIDE DIAMETER: 0.002 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.500 INCHES NOMINAL IN
•
HEIGHT ABOVE MOUNTING SURFACE: 1.620 INCHES NOMINAL IN
•
ELECTRICAL TERMINATION QUANTITY: 1
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)
MOUNTING FACILITY TYPE AND QUANTITY6 UNTHREADED HOLE(S)
MATERIALCOPPER ALLOY ELECTRICAL TERMINATION
FURNISHED ITEMS AND QUANTITY6 NUT AND 2 FLAT WASHER AND 1 CLAMP RING AND 1 STOP CAP NUT
CENTER STUD LENGTH1.970 INCHES NOMINAL IN
BASE INSIDE DIAMETER0.002 INCHES NOMINAL IN
OUTSIDE DIAMETER2.500 INCHES NOMINAL IN
HEIGHT ABOVE MOUNTING SURFACE1.620 INCHES NOMINAL IN
ELECTRICAL TERMINATION QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
PNS136-22PC57Interchangeable
interchangeable cross-reference
interchangeable
PNS283-2PC57Interchangeable
interchangeable cross-reference
interchangeable
14090Interchangeable
interchangeable cross-reference
interchangeable
MS25051-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-A-7965Interchangeable
interchangeable cross-reference
interchangeable
E1795-33Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS25054-1A?
MS25054-1A is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace MS25054-1A?
There are 18 known substitutes for MS25054-1A: PNS136-22PC57, PNS283-2PC57, 14090 and 15 more. Substitute compatibility should be verified for your specific system.
Is MS25054-1A still available?
MS25054-1A is currently cancelled.
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Last verified: July 2026