C991-1 — CAPACITOR,FIXED,ELECTROLYTIC

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

C991-1: 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 BLADE, anode_type: SOLID, blade_type: OSCILLATING, body_style: W/O MTG FACILITIES, AXIAL TERMINALS, blade_shape: SPHERICAL, body_length: 0.281 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5910-00-463-3083, 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→ C991-1

NSN: 5910-00-463-3083
NIINs: 004633083, 014578114, 014750879
FSC: 5910 — Capacitors
CAGE: 05397 — UNION CARBIDE CORP MATERIALS SYSTEMS DIV (USA)

SPECIFICATIONS

material	STEEL BLADE
anode_type	SOLID
blade_type	OSCILLATING
body_style	W/O MTG FACILITIES, AXIAL TERMINALS
blade_shape	SPHERICAL
body_length	0.281 INCHES NOMINAL IN
blade_length	76.0 MILLIMETERS NOMINAL MM
specific_use	CUTTING CARTILAGE AND TISSUE REMOVAL
body_diameter	0.090 INCHES NOMINAL IN
blade_quantity	1
terminal_length	1.250 INCHES MINIMUM IN
special_features	BLADE DIAMETER 2.9 MILLIMETERS; COLOR BLUE; INITIAL SPEED 1500 RPM MM
NSN	5910-00-463-3083

COMPONENT DIAGRAM

KEY FEATURES

•

BODY DIAMETER: 0.090 INCHES NOMINAL IN

•

BODY STYLE: W/O MTG FACILITIES, AXIAL TERMINALS

•

TOLERANCE RANGE PER SECTION: -20.00 TO 20.00 PERCENT SINGLE SECTION

•

NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC

•

TERMINAL SURFACE TREATMENT: SOLDER

•

TERMINAL LENGTH: 1.250 INCHES MINIMUM IN

•

ELECTRICAL POLARIZATION: POLARIZED

•

ANODE TYPE: SOLID

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

BODY DIAMETER	0.090 INCHES NOMINAL IN
BODY STYLE	W/O MTG FACILITIES, AXIAL TERMINALS
TOLERANCE RANGE PER SECTION	-20.00 TO 20.00 PERCENT SINGLE SECTION
NONDERATED OPERATING TEMP	-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
TERMINAL SURFACE TREATMENT	SOLDER
TERMINAL LENGTH	1.250 INCHES MINIMUM IN
ELECTRICAL POLARIZATION	POLARIZED
ANODE TYPE	SOLID
FEATURES PROVIDED	HERMETICALLY SEALED CASE
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION	15.0 DC SINGLE SECTION

SUBSTITUTES & CROSS-REFERENCES 3

685668ITEM67Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

902015-1Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

T220A564M015PSReference document

Same NSN cross-reference

Reference document — Secondary 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 C991-1?

C991-1 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).

What parts can replace C991-1?

There are 3 known substitutes for C991-1: 685668ITEM67, 902015-1, T220A564M015PS. Substitute compatibility should be verified for your specific system.

What is the NSN for C991-1?

C991-1 is cataloged in the U.S. Government catalog under NSN 5910-00-463-3083. This indicates validated use in U.S. government and defense supply chains.

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C991-1 — CAPACITOR,FIXED,ELECTROLYTIC

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