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902-2300 — DRIVE ASS CAPACITOR

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

902-2300: DRIVE ASS CAPACITOR.

The DRIVE ASS 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: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES RIGHT END SURFACE OF BODY, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.5060 INCHES MINIMUM AND 1.5080 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-818-0718, 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
902-2300
NSN: 3120-00-818-0718
NIINs: 008180718, 011416459, 014808580
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES RIGHT END SURFACE OF BODY
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.5060 INCHES MINIMUM AND 1.5080 INCHES MAXIMUM IN
body_outside_diameter1.8700 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN
end_item_identification5895011278134
NSN3120-00-818-0718
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 902-2300 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE FINISH: 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 1.8700 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
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
SURFACE FINISH125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES LEFT END SURFACE OF BODY
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER1.8700 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.5060 INCHES MINIMUM AND 1.5080 INCHES MAXIMUM IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 902-2300?
902-2300 is a DRIVE ASS CAPACITOR.
What is the NSN for 902-2300?
902-2300 is cataloged in the U.S. Government catalog under NSN 3120-00-818-0718. This indicates validated use in U.S. government and defense supply chains.
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