SCB69681 — CAPACITOR,FIXED,ELECTROLYTIC

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

SCB69681: CAPACITOR,FIXED,ELECTROLYTIC.

The CAPACITOR,FIXED,ELECTROLYTIC 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: STEEL OVERALL, face_type: STRAIGHT, bore_style: PLAIN BOTH ENDS, helix_angle: 14.0333 DEGREES, pitch_diameter: 0.5000 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-203-1678, 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

SCB69681

NSN: 3020-00-203-1678
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)

SPECIFICATIONS

material	STEEL OVERALL
face_type	STRAIGHT
bore_style	PLAIN BOTH ENDS
helix_angle	14.0333 DEGREES
pitch_diameter	0.5000 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
style_designator	PROTRUDING HUB
surface_treatment	PHOSPHATE OVERALL
face_nominal_width	1.000 INCHES IN
hub_nominal_diameter	0.425 INCHES FIRST END IN
hub_style_designator	PLAIN FIRST END
thread_form_quantity	4
NSN	3020-00-203-1678

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD FORM DIRECTION: LEFT-HAND

•

BORE NOMINAL DIAMETER: 0.312 INCHES BOTH ENDS IN

•

HELIX ANGLE: 14.0333 DEGREES

•

HUB NOMINAL DIAMETER: 0.425 INCHES FIRST END IN

•

BORE STYLE: PLAIN BOTH ENDS

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.250 INCHES FIRST END IN

•

FACE TYPE: STRAIGHT

•

STYLE DESIGNATOR: PROTRUDING HUB

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

THREAD FORM DIRECTION	LEFT-HAND
BORE NOMINAL DIAMETER	0.312 INCHES BOTH ENDS IN
HELIX ANGLE	14.0333 DEGREES
HUB NOMINAL DIAMETER	0.425 INCHES FIRST END IN
BORE STYLE	PLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.250 INCHES FIRST END IN
FACE TYPE	STRAIGHT
STYLE DESIGNATOR	PROTRUDING HUB
PITCH DIAMETER	0.5000 INCHES NOMINAL IN
HUB STYLE DESIGNATOR	PLAIN FIRST END

SUBSTITUTES & CROSS-REFERENCES 2

3020002031678Reference document

Same NSN cross-reference

Reference document — Informative reference only

50350Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

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 SCB69681?

SCB69681 is a CAPACITOR,FIXED,ELECTROLYTIC.

What parts can replace SCB69681?

There are 2 known substitutes for SCB69681: 3020002031678, 50350. Substitute compatibility should be verified for your specific system.

What is the NSN for SCB69681?

SCB69681 is cataloged in the U.S. Government catalog under NSN 3020-00-203-1678. This indicates validated use in U.S. government and defense supply chains.

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SCB69681 — CAPACITOR,FIXED,ELECTROLYTIC

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