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2890-05 — BATTERY,STORAGE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2890-05: BATTERY,STORAGE.

The BATTERY,STORAGE 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 diameter: 0.028 INCHES NOMINAL IN, material: STEEL COMP 302 OVERALL, point_type: EXTENDED PRONG MITRE END OR EXTENDED PRONG BEVEL OR MODIFIED HAMMER LOCK, style_designator: STANDARD, underloop_length: 0.313 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-807-2279, 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
2890-05
NSN: 5315-00-807-2279
NIINs: 008072279, 015629018, 015718386
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 11599 — TRIUMPH ENGINE CONTROL SYSTEMS LLC (USA)
SPECIFICATIONS
diameter0.028 INCHES NOMINAL IN
materialSTEEL COMP 302 OVERALL
point_typeEXTENDED PRONG MITRE END OR EXTENDED PRONG BEVEL OR MODIFIED HAMMER LOCK
style_designatorSTANDARD
underloop_length0.313 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
material_document_and_classificationAMS 7210 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-807-2279
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2890-05 · OEM ⚠ 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
•
STYLE DESIGNATOR: STANDARD
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 7210 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.028 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
UNDERLOOP LENGTH: 0.313 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 302 OVERALL
•
POINT TYPE: EXTENDED PRONG MITRE END OR EXTENDED PRONG BEVEL OR MODIFIED HAMMER LOCK
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
STYLE DESIGNATORSTANDARD
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7210 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.028 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
UNDERLOOP LENGTH0.313 INCHES NOMINAL IN
MATERIALSTEEL COMP 302 OVERALL
POINT TYPEEXTENDED PRONG MITRE END OR EXTENDED PRONG BEVEL OR MODIFIED HAMMER LOCK
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 2890-05?
2890-05 is a BATTERY,STORAGE.
What is the NSN for 2890-05?
2890-05 is cataloged in the U.S. Government catalog under NSN 5315-00-807-2279. This indicates validated use in U.S. government and defense supply chains.
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