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311040 — CAPACITOR,FIXED,ELECTROLYTIC

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

311040: CAPACITOR,FIXED,ELECTROLYTIC.

The CAPACITOR,FIXED,ELECTROLYTIC is a Legrand cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include material: STEEL COMP 302 OVERALL, thickness: 0.024 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN, body_style: W/O MTG FACILITIES, TERMINAL(S) ON ONE END, body_length: 4.375 INCHES NOMINAL IN, body_diameter: 2.438 INCHES NOMINAL IN, hole_diameter: 0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-489-3500, 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→ 311040
NSN: 5310-00-489-3500
NIINs: 004893500, 009320122
FSC: 5310 — Nuts and Washers
CAGE: 58163 — MEGGITT (NORTH HOLLYWOOD), INC. DBA MEGGITT CONTROL SYSTEMS DIV MEGGITT DEFENSE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
thickness0.024 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
body_styleW/O MTG FACILITIES, TERMINAL(S) ON ONE END
body_length4.375 INCHES NOMINAL IN
body_diameter2.438 INCHES NOMINAL IN
hole_diameter0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
overall_diameter1.022 INCHES MINIMUM AND 1.023 INCHES MAXIMUM IN
terminal_diameter0.190 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
peripheral_shape_styleROUND
center_hole_shape_styleROUND
electrical_polarizationPOLARIZED
NSN5310-00-489-3500
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 311040 · Legrand ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OVERALL DIAMETER: 1.022 INCHES MINIMUM AND 1.023 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 302 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
•
THICKNESS: 0.024 INCHES MINIMUM AND 0.025 INCHES MAXIMUM 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
OVERALL DIAMETER1.022 INCHES MINIMUM AND 1.023 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 302 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
THICKNESS0.024 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 311040?
311040 is a CAPACITOR,FIXED,ELECTROLYTIC manufactured by Legrand. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 311040?
311040 is cataloged in the U.S. Government catalog under NSN 5310-00-489-3500. This indicates validated use in U.S. government and defense supply chains.
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