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Technical Data Sheet
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MT58 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BATTERY,STORAGE 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: STEEL OVERALL, head_style: BUTTON, neck_width: 0.368 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN, head_height: 0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN, neck_length: 0.188 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN, thread_class: 2A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-012-6227, 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
MT58
NSN: 5306-00-012-6227
FSC: 5306
CAGE: 26051 — GREAT AMERICAN INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleBUTTON
neck_width0.368 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
head_height0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
neck_length0.188 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.782 INCHES MINIMUM AND 0.844 INCHES MAXIMUM IN
overall_width6.81 INCHES NOMINAL IN
thread_length0.375 INCHES MINIMUM IN
overall_height7.81 INCHES NOMINAL IN
overall_length8.19 INCHES NOMINAL IN
fastener_length0.750 INCHES NOMINAL IN
NSN5306-00-012-6227
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MT58 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: GM 255M,GENERAL MOTORS CORP MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
NECK WIDTH: 0.368 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
•
NECK LENGTH: 0.188 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 4252-M FSCM 24617 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: STEEL OVERALL
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)
MATERIAL DOCUMENT AND CLASSIFICATIONGM 255M,GENERAL MOTORS CORP MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
NECK WIDTH0.368 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
HEAD HEIGHT0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
NECK LENGTH0.188 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION4252-M FSCM 24617 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIALSTEEL OVERALL
THREAD QUANTITY PER INCH16
MINIMUM YIELD STRENGTH40000 POUNDS PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
MS35751-53Upgraded Successor
successor cross-reference
successor
FFB584Upgraded Successor
successor cross-reference
successor
119430Upgraded Successor
successor cross-reference
successor
21260Upgraded Successor
successor cross-reference
successor
120231Upgraded Successor
successor cross-reference
successor
NASM35751Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MT58?
MT58 is a BATTERY,STORAGE.
What parts can replace MT58?
There are 10 known substitutes for MT58: MS35751-53, FFB584, 119430 and 7 more. Substitute compatibility should be verified for your specific system.
Is MT58 still available?
MT58 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