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MT-58 — BATTERY,STORAGE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MT-58: BATTERY,STORAGE.

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 U.S.

Government catalog 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
MT-58
NSN: 5306-00-012-6227
NIINs: 000126227, 016439864
FSC: 5306 — Bolts
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: MT-58 · 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
•
NECK LENGTH: 0.188 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 4252-M FSCM 24617 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.375 INCHES MINIMUM IN
•
HARDNESS RATING: 95.0 ROCKWELL B MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: GM 255M,GENERAL MOTORS CORP MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
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
NECK LENGTH0.188 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
HEAD HEIGHT0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION4252-M FSCM 24617 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.375 INCHES MINIMUM IN
HARDNESS RATING95.0 ROCKWELL B MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONGM 255M,GENERAL MOTORS CORP MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEBUTTON
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES 1
FFB584Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MT-58?
MT-58 is a BATTERY,STORAGE.
What parts can replace MT-58?
There is 1 known substitute for MT-58: FFB584. Substitute compatibility should be verified for your specific system.
What is the NSN for MT-58?
MT-58 is cataloged in the U.S. Government catalog under NSN 5306-00-012-6227. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.