N91 — IBM DS4100 DS4300 BATTERY

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

N91: IBM DS4100 DS4300 BATTERY.

The IBM DS4100 DS4300 BATTERY 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 POLYAMIDE NYLON SEAT, bore_shape: STRAIGHT, plate_type: NEGATIVE AND POSITIVE, bore_diameter: 20.00 MILLIMETERS NOMINAL MM, overall_width: 1.000 INCHES NOMINAL IN, terminal_type: THREADED STUD W/NUT. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-555-5221, 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

N91

NSN: 3110-00-555-5221
NIINs: 005555221, 008063201, 011482915, 012312630
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 33742 — MAKO COMPRESSORS, LLC (USA)

SPECIFICATIONS

material	PLASTIC POLYAMIDE NYLON SEAT
bore_shape	STRAIGHT
plate_type	NEGATIVE AND POSITIVE
bore_diameter	20.00 MILLIMETERS NOMINAL MM
cell_quantity	5
overall_width	1.000 INCHES NOMINAL IN
terminal_type	THREADED STUD W/NUT
load_direction	RADIAL
overall_height	2.000 INCHES NOMINAL IN
overall_length	5.000 INCHES NOMINAL IN
surface_finish	GROUND
connection_type	UNTHREADED INTERNAL TUBE ALL ENDS
NSN	3110-00-555-5221

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: PRESSED

•

INTERNAL FIT-UP DESIGNATION: LOOSE

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE

•

OVERALL OUTSIDE DIAMETER: 47.00 MILLIMETERS NOMINAL MM

•

BORE SHAPE: STRAIGHT

•

LOAD DIRECTION: RADIAL

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

RETAINER FABRICATION METHOD	PRESSED
INTERNAL FIT-UP DESIGNATION	LOOSE
SURFACE FINISH	GROUND
STYLE DESIGNATOR	NON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH	14.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER	47.00 MILLIMETERS NOMINAL MM
BORE SHAPE	STRAIGHT
LOAD DIRECTION	RADIAL
STANDARD TOLERANCE DESIGNATION	ABEC NO.1
BORE DIAMETER	20.00 MILLIMETERS NOMINAL MM

SUBSTITUTES & CROSS-REFERENCES 7

2954945Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

91204-10Reference document

Same NSN cross-reference

Reference document — Secondary reference

3204Reference document

IBM DS4100 DS4300 Battery

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

3204L1Reference document

Same NSN cross-reference

Reference document — Secondary reference

3204LR1214AReference document

Same NSN cross-reference

Reference document — Secondary reference

1109039Reference document

Same NSN cross-reference

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

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is N91?

N91 is a IBM DS4100 DS4300 BATTERY.

What parts can replace N91?

There are 7 known substitutes for N91: 2954945, 91204-10, 3204 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for N91?

N91 is cataloged in the U.S. Government catalog under NSN 3110-00-555-5221. This indicates validated use in U.S. government and defense supply chains.

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N91 — IBM DS4100 DS4300 BATTERY

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