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Technical Data Sheet
PartsTable / COMPONENT / MB254251E
MB254251E ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The LEAD,STORAGE BATTERY 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: WHITE, shape: RECTANGULAR, material: PLASTIC POLYPROPYLENE, design_form: SET, fold_length: 5.500 INCHES NOMINAL IN, corner_shape: SQUARE ALL CORNERS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-239-3835, 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
MB254251E
NSN: 4820-01-239-3835
FSC: 4820
CAGE: 30263 — PIMA VALVE, LLC (USA)
SPECIFICATIONS
colorWHITE
shapeRECTANGULAR
materialPLASTIC POLYPROPYLENE
design_formSET
fold_length5.500 INCHES NOMINAL IN
corner_shapeSQUARE ALL CORNERS
thread_class2A ALL ENDS A
end_item_nameLIGHT DUTY TRUCK
overall_width36.000 INCHES NOMINAL IN
overall_height24.000 INCHES NOMINAL IN
overall_length0.3020 INCHES MINIMUM AND 0.3220 INCHES MAXIMUM IN
capacity_rating0.500 MILLILITERS NOMINAL
NSN4820-01-239-3835
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MB254251E · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. 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 4
MB254251E PART 6Interchangeable
interchangeable cross-reference
interchangeable
MB254251EInterchangeable
interchangeable cross-reference
interchangeable
6530Interchangeable
interchangeable cross-reference
interchangeable
MB254251E PART 7Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MB254251E?
MB254251E is a LEAD,STORAGE BATTERY.
What parts can replace MB254251E?
There are 4 known substitutes for MB254251E: MB254251E PART 6, MB254251E, 6530 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MB254251E?
MB254251E is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-239-3835. 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