PartsTable
Technical Data Sheet
PartsTable / MRO / M-444
M-444 ✓ 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

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include material: GLASS, body_style: THREADED BUSHING MOUNTED LONG FRAME, body_width: 0.562 INCHES NOMINAL IN, body_length: 1.000 INCHES NOMINAL IN, thread_class: 2A A, body_diameter: 0.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-127-8429, 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→ M-444
NSN: 5910-00-127-8429
FSC: 5910
CAGE: 74061 — MIDO MFG AND DISTRIBUTING CO (USA)
SPECIFICATIONS
materialGLASS
body_styleTHREADED BUSHING MOUNTED LONG FRAME
body_width0.562 INCHES NOMINAL IN
body_length1.000 INCHES NOMINAL IN
thread_class2A A
body_diameter0.625 INCHES NOMINAL IN
terminal_typeTAB, SOLDER LUG
overall_height1.125 INCHES NOMINAL IN
overall_length3.172 INCHES NOMINAL IN
special_featuresCOLOR - BLACK
thread_directionRIGHT-HAND
features_providedMOUNTING HARDWARE AND HERMETICALLY SEALED CASE
NSN5910-00-127-8429
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN M-444 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
FEATURES PROVIDED: MOUNTING HARDWARE AND HERMETICALLY SEALED CASE
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 500.0 AC-RMS SINGLE SECTION AND 500.0 DC SINGLE SECTION
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.281 INCHES NOMINAL IN
•
TERMINAL TYPE AND QUANTITY: 1 THREADED HOLE
•
BODY STYLE: W/MTG BRACKET, TERMINAL(S) ON ONE END
•
BODY DIAMETER: 0.625 INCHES NOMINAL IN
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
SCHEMATIC DIAGRAM DESIGNATOR: ELECTRODE(S) GROUNDED TO CASE
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)
FEATURES PROVIDEDMOUNTING HARDWARE AND HERMETICALLY SEALED CASE
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION500.0 AC-RMS SINGLE SECTION AND 500.0 DC SINGLE SECTION
UNTHREADED MOUNTING HOLE DIAMETER0.281 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY1 THREADED HOLE
BODY STYLEW/MTG BRACKET, TERMINAL(S) ON ONE END
BODY DIAMETER0.625 INCHES NOMINAL IN
RELIABILITY INDICATORNOT ESTABLISHED
SCHEMATIC DIAGRAM DESIGNATORELECTRODE(S) GROUNDED TO CASE
MOUNTING FACILITY TYPE AND QUANTITY1 UNTHREADED MOUNTING HOLES
BODY LENGTH1.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
JJ083Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-641/10Interchangeable
interchangeable cross-reference
interchangeable
650597Interchangeable
interchangeable cross-reference
interchangeable
98X4217Interchangeable
interchangeable cross-reference
interchangeable
2712Interchangeable
interchangeable cross-reference
interchangeable
K71666Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M-444?
M-444 is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace M-444?
There are 28 known substitutes for M-444: JJ083, MIL-DTL-641/10, 650597 and 25 more. Substitute compatibility should be verified for your specific system.
Is M-444 still available?
M-444 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026