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21477 — CAPACITOR-RESISTOR

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

21477: CAPACITOR-RESISTOR.

The CAPACITOR-RESISTOR is a Esselte cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include material: RUBBER SYNTHETIC OVERALL, overall_depth: 0.563 INCHES NOMINAL IN, hardness_rating: 70.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL, inside_diameter: 0.125 INCHES NOMINAL IN, outside_diameter: 4.141 INCHES NOMINAL IN, style_designator: CIRCULAR. This part is cataloged in the U.S.

Government catalog under NSN 5355-00-245-3960, 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→ 21477
NSN: 5355-00-245-3960
NIINs: 002453960, 006416516, 008632276, 009446937, 009779331
FSC: 5355 — Knobs and Pointers
CAGE: 98810 — AEROSONIC LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
overall_depth0.563 INCHES NOMINAL IN
hardness_rating70.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
inside_diameter0.125 INCHES NOMINAL IN
outside_diameter4.141 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter4.047 INCHES NOMINAL IN
attachment_methodSCREW ON
overall_thickness0.687 INCHES NOMINAL IN
reference_markingSET
nominal_thread_size0.125 INCHES SCREW HOLE IN
fsc_application_dataENGINE,GASOLINE
NSN5355-00-245-3960
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Esselte CAPACITOR-RESISTOR TITLE COMPONENT PN 21477 MFR Esselte CAPACITOR-RESISTOR
KEY FEATURES
•
SHAFT ACCOMMODATION STYLE: ROUND
•
OVERALL THICKNESS: 0.687 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
REFERENCE MARKING: SET
•
NOMINAL THREAD SIZE: 0.125 INCHES SCREW HOLE IN
•
INSIDE DIAMETER: 0.125 INCHES NOMINAL IN
•
GRIPPING SURFACE CONDITION: GRIP AID
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
SHAFT ACCOMMODATION STYLEROUND
OVERALL THICKNESS0.687 INCHES NOMINAL IN
STYLE DESIGNATORROUND
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
REFERENCE MARKINGSET
NOMINAL THREAD SIZE0.125 INCHES SCREW HOLE IN
INSIDE DIAMETER0.125 INCHES NOMINAL IN
GRIPPING SURFACE CONDITIONGRIP AID
THREAD QUANTITY PER INCH44 SCREW HOLE
MATERIALALUMINUM ALLOY 2024
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21477?
21477 is a CAPACITOR-RESISTOR manufactured by Esselte. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 21477?
21477 is cataloged in the U.S. Government catalog under NSN 5355-00-245-3960. This indicates validated use in U.S. government and defense supply chains.
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