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990112 — IBM cache battery pack 3.6V

✓ Government record, cited
IBM · BATTERY · LITHIUM
PRODUCT OVERVIEW

990112: IBM cache battery pack 3.6V.

The IBM cache battery pack 3.6V is a IBM cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. This part is cataloged in the U.S. Government catalog under NSN 4820-01-431-7505, 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
BATTERY→ LITHIUM→ 990112
NSN: 4820-01-431-7505
NIINs: 014317505, 014981721
FSC: 4820 — Valves, Nonpowered
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
Part Number990112
ManufacturerIBM
NSN4820-01-431-7505
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 990112 · IBM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLOW CONTROL DEVICE: DISK
•
VALVE STEM DESIGN: SINGLE SEAT
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
BODY STYLE: STRAIGHT THRU
•
REGULATION TYPE: AUTOMATIC SINGLE STAGE
•
FIRST END STYLE DESIGNATOR: PLAIN
•
TEMP RATING: 180.0 FAHRENHEIT MAXIMUM DEGF
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
FLOW CONTROL DEVICEDISK
VALVE STEM DESIGNSINGLE SEAT
FIRST END THREAD DIRECTIONRIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
BODY STYLESTRAIGHT THRU
REGULATION TYPEAUTOMATIC SINGLE STAGE
FIRST END STYLE DESIGNATORPLAIN
TEMP RATING180.0 FAHRENHEIT MAXIMUM DEGF
END CONNECTION QUANTITY2
VALVE LOADING METHODSPRING
SUBSTITUTES & CROSS-REFERENCES 3
42R3965SubstituteBROKER-VERIFIED
IBM cache battery pack 3.6V
substitute
74Y5665SubstituteBROKER-VERIFIED
IBM cache battery pack 3.6V
substitute
42R3969SubstituteBROKER-VERIFIED
IBM cache battery pack 3.6V
substitute
LIFECYCLE
NSN statusActive· U.S. Government catalog
DG Class 9 — LithiumRestricted Air FreightAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 990112?
990112 is a IBM cache battery pack 3.6V manufactured by IBM. It is classified as a BATTERY (LITHIUM).
What parts can replace 990112?
There are 3 known substitutes for 990112: 42R3965, 74Y5665, 42R3969. Substitute compatibility should be verified for your specific system.
What is the NSN for 990112?
990112 is cataloged in the U.S. Government catalog under NSN 4820-01-431-7505. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.