PartsTable
Technical Data Sheet
PartsTable / MRO / M154
M154 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 color: UNABLE TO DECODE, movement_type: MOVING COIL, PERMANENT MAGNET, overall_width: 5.062 INCHES NOMINAL IN, overall_height: 1.000 INCHES NOMINAL IN, overall_length: 3.530 INCHES NOMINAL IN, special_markings: RED BAND FROM LEFT TO CENTER,YELLOW BAND CENTER TO @3/4,GREEN BAND 3/4 TO 7/8,RED BAND LAST 1/8 OF SCALE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-619-1053, 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→ M154
NSN: 6625-00-619-1053
FSC: 6625
CAGE: 51473 — ASTRO-GEO-MARINE INC (USA)
SPECIFICATIONS
colorUNABLE TO DECODE
movement_typeMOVING COIL, PERMANENT MAGNET
overall_width5.062 INCHES NOMINAL IN
overall_height1.000 INCHES NOMINAL IN
overall_length3.530 INCHES NOMINAL IN
special_markingsRED BAND FROM LEFT TO CENTER,YELLOW BAND CENTER TO @3/4,GREEN BAND 3/4 TO 7/8,RED BAND LAST 1/8 OF SCALE
style_designatorRECTANGULAR SEMI-FLUSH MTG
features_providedZERO ADJUSTER
sensitivity_rating1.0 MILLIAMPERES
accuracy_in_percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
installation_designPANEL
mounting_hole_diameter0.128 INCHES NOMINAL IN
NSN6625-00-619-1053
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN M154 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
SPECIAL MARKINGS: RED BAND FROM LEFT TO CENTER,YELLOW BAND CENTER TO @3/4,GREEN BAND 3/4 TO 7/8,RED BAND LAST 1/8 OF SCALE
•
COLOR: UNABLE TO DECODE
•
STYLE DESIGNATOR: RECTANGULAR SEMI-FLUSH MTG
•
METER BODY HEIGHT BEHIND MOUNTING FLANGE: 1.500 INCHES NOMINAL IN
•
MOUNTING ARRANGEMENT STYLE: FOUR HOLE/STUD RECTANGULAR/SQUARE
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)
OVERALL LENGTH3.530 INCHES NOMINAL IN
OVERALL WIDTH5.062 INCHES NOMINAL IN
OVERALL HEIGHT1.000 INCHES NOMINAL IN
SPECIAL MARKINGSRED BAND FROM LEFT TO CENTER,YELLOW BAND CENTER TO @3/4,GREEN BAND 3/4 TO 7/8,RED BAND LAST 1/8 OF SCALE
COLORUNABLE TO DECODE
STYLE DESIGNATORRECTANGULAR SEMI-FLUSH MTG
METER BODY HEIGHT BEHIND MOUNTING FLANGE1.500 INCHES NOMINAL IN
MOUNTING ARRANGEMENT STYLEFOUR HOLE/STUD RECTANGULAR/SQUARE
CIRCUIT ATTACHMENT METHOD AND QUANTITY2 THREADED STUD
METER DEPTH BEHIND MOUNTING FLANGE4.141 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
TX21945Interchangeable
interchangeable cross-reference
interchangeable
20-22767Interchangeable
interchangeable cross-reference
interchangeable
FP20-000022-767-01-03Interchangeable
interchangeable cross-reference
interchangeable
M154Interchangeable
interchangeable cross-reference
interchangeable
376494C91Interchangeable
interchangeable cross-reference
interchangeable
7901Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M154?
M154 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace M154?
There are 7 known substitutes for M154: TX21945, 20-22767, FP20-000022-767-01-03 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M154?
M154 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-619-1053. 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