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RW4-8 ✓ Verified by PartsTable
— · COMPONENT
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

The BATTERY,NONRECHARGEABLE 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 shape: CYLINDRICAL, diameter: 0.480 INCHES NOMINAL IN, material: STEEL, outer_radius: 0.060 INCHES NOMINAL IN, terminal_type: BUTTON TOP, overall_height: 5.35 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4030-01-247-9481, 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
RW4-8
NSN: 4030-01-247-9481
FSC: 4030
CAGE: 91796 — DETROIT DIAMOND DRILLING, INC. (USA)
SPECIFICATIONS
shapeCYLINDRICAL
diameter0.480 INCHES NOMINAL IN
materialSTEEL
outer_radius0.060 INCHES NOMINAL IN
terminal_typeBUTTON TOP
overall_height5.35 MILLIMETERS NOMINAL MM
overall_length0.860 INCHES NOMINAL IN
inside_diameter0.380 INCHES NOMINAL IN
overall_diameter7.9 MILLIMETERS NOMINAL MM
special_featuresSILVER OXIDE CHEMICAL SYSTEM
style_designatorROUND TAPERED
voltage_in_volts1.5
NSN4030-01-247-9481
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BATTERY,NONRECHARGEABLE TITLE COMPONENT PN RW4-8 MFR BATTERY,NONRECHARGEABL
KEY FEATURES
•
SAFE OPERATING LOAD RATING: 6800.000 POUNDS NOMINAL LBS
•
OUTER RADIUS: 0.060 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.380 INCHES NOMINAL IN
•
ACCOMMODATED MATERIAL DIAMETER: 0.250 INCHES NOMINAL IN
•
DIAMETER: 0.480 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND TAPERED
•
MATERIAL: STEEL
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)
SAFE OPERATING LOAD RATING6800.000 POUNDS NOMINAL LBS
OUTER RADIUS0.060 INCHES NOMINAL IN
INSIDE DIAMETER0.380 INCHES NOMINAL IN
ACCOMMODATED MATERIAL DIAMETER0.250 INCHES NOMINAL IN
OVERALL LENGTH0.860 INCHES NOMINAL IN
DIAMETER0.480 INCHES NOMINAL IN
STYLE DESIGNATORROUND TAPERED
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
393Interchangeable
interchangeable cross-reference
interchangeable
10727Interchangeable
interchangeable cross-reference
interchangeable
V393Interchangeable
interchangeable cross-reference
interchangeable
4030-005Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RW4-8?
RW4-8 is a BATTERY,NONRECHARGEABLE.
What parts can replace RW4-8?
There are 4 known substitutes for RW4-8: 393, 10727, V393 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RW4-8?
RW4-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4030-01-247-9481. 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