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Technical Data Sheet
PartsTable / MRO / 3-4925
3-4925 ✓ Verified by PartsTable
Iomega · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The Iomega® Prestige™ Desktop Hard Drive USB 2.0 provides a simple and affordable solution for all your storage needs. Ideal for adding capacity to your system, this stylish drive offers a sturdy aluminum construction and included stand. It's the easiest way to save photos, music, videos and more.

Iomega Protection Suite is included with solutions to access your PC, easily backup your data and protect your computer and online experience. Software available via download. The suite includes Trend Micro™ Internet Security (1 year subscription), Iomega QuikProtect, EMC® Retrospect®, and MozyHome™ Online Backup service.<br><br><b>At-A-Glance:</b><br>- Stylish & Durable—now more compact and available in a charcoal gray brushed finish; sturdy aluminum construction and includes stand;<br>- Easy to Use—Simple USB 2.0 interface; just plug and play;<br>- Secure—Iomega Protection Suite software includes Trend Micro™ Internet Security (1 year subscription), Iomega QuikProtect, EMC® Retrospect®, and This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-599-6452, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
MRO→ MRO_GENERAL→ 3-4925
NSN: 5330-00-599-6452
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_typeDRILLED
anode_typeETCHED FOIL
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
case_styleSQUARE
drive_size3.50
head_styleHEXAGON
seal_width0.812 INCHES NOMINAL IN
body_length2.300 INCHES MAXIMUM IN
design_typeHARD DISK
head_height0.438 INCHES NOMINAL IN
unit_designPORTABLE
NSN5330-00-599-6452
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3-4925 MFR: Iomega ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HOUSING BORE DIAMETER: 4.501 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR-OPPOSED
•
MATERIAL: STEEL CASE
•
ACCOMMODATED SHAFT DIAMETER: 3.500 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
SEAL WIDTH: 0.812 INCHES NOMINAL 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 (FLIS)
HOUSING BORE DIAMETER4.501 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR-OPPOSED
MATERIALSTEEL CASE
MATERIALLEATHER SEALING ELEMENT B
ACCOMMODATED SHAFT DIAMETER3.500 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
SEAL WIDTH0.812 INCHES NOMINAL IN
MATERIALLEATHER SEALING ELEMENT A
CASE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
421-50Interchangeable
interchangeable cross-reference
interchangeable
1093-668Interchangeable
interchangeable cross-reference
interchangeable
206909PC4Interchangeable
interchangeable cross-reference
interchangeable
B25305Interchangeable
interchangeable cross-reference
interchangeable
25305Interchangeable
interchangeable cross-reference
interchangeable
21749Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3-4925?
3-4925 is a CAPACITOR,FIXED,ELECTROLYTIC manufactured by Iomega. It is classified as a MRO (MRO_GENERAL).
What parts can replace 3-4925?
There are 16 known substitutes for 3-4925: 421-50, 1093-668, 206909PC4 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3-4925?
3-4925 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-599-6452. 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