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Y49 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
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 plate_type: NEGATIVE AND POSITIVE, overall_width: 6.820 INCHES NOMINAL IN, terminal_type: TAPER POST, overall_height: 8.910 INCHES NOMINAL IN, overall_length: 10.750 INCHES NOMINAL IN, submersibility: NONSUBMERSIBLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-035-7365, 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
Y49
NSN: 5315-00-035-7365
FSC: 5315
CAGE: 27554 — WILDFIRE PACIFIC INC (USA)
SPECIFICATIONS
plate_typeNEGATIVE AND POSITIVE
cell_quantity6
overall_width6.820 INCHES NOMINAL IN
terminal_typeTAPER POST
overall_height8.910 INCHES NOMINAL IN
overall_length10.750 INCHES NOMINAL IN
submersibilityNONSUBMERSIBLE
case_design_typeFILLING PLUG OPENINGS
voltage_in_volts12.0
terminal_quantity2
battery_electrolyteLEAD ACID
ampere_hour_capacity65.00
NSN5315-00-035-7365
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: Y49 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
WB131Interchangeable
interchangeable cross-reference
interchangeable
SAE J537-17M2AInterchangeable
interchangeable cross-reference
interchangeable
24F-G4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Y49?
Y49 is a BATTERY,STORAGE.
What parts can replace Y49?
There are 3 known substitutes for Y49: WB131, SAE J537-17M2A, 24F-G4. Substitute compatibility should be verified for your specific system.
What is the NSN for Y49?
Y49 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-035-7365. 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