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PartsTable / COMPONENT / S281-5
S281-5 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include diameter: 0.204 INCHES NOMINAL IN, material: ALUMINUM ALLOY 2024 BAND, overall_width: 0.375 INCHES NOMINAL IN, style_designator: OFFSET MOUNT, tongue_hole_type: ROUND, UNTHREADED, material_thickness: 0.032 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-212-9008, 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
S281-5
NSN: 2805-00-212-9008
FSC: 2805
CAGE: 80756 — SPIROLOX INC (USA)
SPECIFICATIONS
diameter0.204 INCHES NOMINAL IN
materialALUMINUM ALLOY 2024 BAND
overall_width0.375 INCHES NOMINAL IN
style_designatorOFFSET MOUNT
tongue_hole_typeROUND, UNTHREADED
material_thickness0.032 INCHES NOMINAL IN
loop_inside_diameter0.313 INCHES NOMINAL IN
material_document_and_classificationQA-A-250/5TEMPER0ORT3ORT4 FED SPEC SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end0.737 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.549 INCHES NOMINAL IN
NSN2805-00-212-9008
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN S281-5 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
STEM STYLE: MULTI-GROOVED
•
CARBON RELIEF GROOVE: NOT INCLUDED
•
HEAD STYLE: MUSHROOM
•
SEAT ANGLE IN DEG: 44.0
•
OUTSIDE DIAMETER: 1.6562 INCHES NOMINAL IN
•
STEM LENGTH: 4.9843 INCHES NOMINAL IN
•
STEM DIAMETER: 0.3415 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)
STEM STYLEMULTI-GROOVED
CARBON RELIEF GROOVENOT INCLUDED
HEAD STYLEMUSHROOM
SEAT ANGLE IN DEG44.0
OUTSIDE DIAMETER1.6562 INCHES NOMINAL IN
STEM LENGTH4.9843 INCHES NOMINAL IN
STEM DIAMETER0.3415 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
WWP521Interchangeable
interchangeable cross-reference
interchangeable
2089Interchangeable
interchangeable cross-reference
interchangeable
105454Interchangeable
interchangeable cross-reference
interchangeable
1E5114Interchangeable
interchangeable cross-reference
interchangeable
F600E00245Interchangeable
interchangeable cross-reference
interchangeable
851170Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S281-5?
S281-5 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace S281-5?
There are 18 known substitutes for S281-5: WWP521, 2089, 105454 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S281-5?
S281-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-212-9008. 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