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211545 — CAPACITOR

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

211545: CAPACITOR.

The CAPACITOR 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 material: STEEL, end_diameter: 0.5470 INCHES NOMINAL IN, bore_diameter: 0.4220 INCHES NOMINAL IN, surface_treatment: CADMIUM, first_step_diameter: 0.8120 INCHES NOMINAL IN, distance_from_end_to_first_step: 0.5620 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-419-8981, 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→ 211545
NSN: 5340-00-419-8981
NIINs: 004198981, 008214901, 011321333
FSC: 5340 — Hardware, Commercial
CAGE: 06853 — BENDIX COMMERCIAL VEHICLE SYSTEMS LLC DBA BENDIX COMMERCIAL VEHICLE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL
end_diameter0.5470 INCHES NOMINAL IN
bore_diameter0.4220 INCHES NOMINAL IN
surface_treatmentCADMIUM
first_step_diameter0.8120 INCHES NOMINAL IN
distance_from_end_to_first_step0.5620 INCHES NOMINAL IN
NSN5340-00-419-8981
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 211545 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
KEY FEATURES
•
FIRST STEP DIAMETER: 0.8120 INCHES NOMINAL IN
•
END DIAMETER: 0.5470 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.5620 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM
•
BORE DIAMETER: 0.4220 INCHES NOMINAL IN
•
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
FIRST STEP DIAMETER0.8120 INCHES NOMINAL IN
END DIAMETER0.5470 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.5620 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM
BORE DIAMETER0.4220 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 211545?
211545 is a CAPACITOR. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 211545?
211545 is cataloged in the U.S. Government catalog under NSN 5340-00-419-8981. This indicates validated use in U.S. government and defense supply chains.
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