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4928 — CAPACITOR,FIXED,ELECTROLYTIC

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

4928: CAPACITOR,FIXED,ELECTROLYTIC.

The CAPACITOR,FIXED,ELECTROLYTIC 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 capacity: 4.0 OUNCES OZ, material: PLASTIC POLYSTYRENE LOCATION NOT OTHERWISE SPECIFIED, duty_type: CONTINUOUS, anode_type: PLAIN FOIL, body_style: W/O MTG FACILITIES, TERMINAL(S) ON ONE END, cover_type: SCREW. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-073-4236, 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
MRO→ MRO_GENERAL→ 4928
NSN: 5330-00-073-4236
NIINs: 000734236, 006667296, 006837963, 010124521, 011895999, 015154742
FSC: 5330 — Packing and Gasket Materials
CAGE: 77969 — RUBBERCRAFT CORPORATION OF CALIFORNIA, LTD. DBA RUBBERCRAFT CORP (USA)
SPECIFICATIONS
capacity4.0 OUNCES OZ
materialPLASTIC POLYSTYRENE LOCATION NOT OTHERWISE SPECIFIED
duty_typeCONTINUOUS
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, TERMINAL(S) ON ONE END
cover_typeSCREW
body_length3.812 INCHES NOMINAL IN
bottom_typeROUND
inscriptionGRADUATED TO 4 OZ. IN 1/4 OZ. INCREMENTS,AND 120CC IN 10CC INCREMENTS OZ
body_diameter1.375 INCHES NOMINAL IN
coil_quantity1
overall_width1.400 INCHES NOMINAL IN
NSN5330-00-073-4236
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4928 MFR: OEM ⚠ 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
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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4928?
4928 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 4928?
4928 is cataloged in the U.S. Government catalog under NSN 5330-00-073-4236. 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.