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Technical Data Sheet
27990P ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The BATTERY,STORAGE 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: GLASS FIBER AND PLASTIC EPOXY CASE, cell_quantity: 19, overall_width: 6.610 INCHES MAXIMUM IN, terminal_type: THREADED POST, overall_height: 7.260 INCHES MAXIMUM IN, overall_length: 14.500 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6140-01-527-4592, 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
27990P
NSN: 6140-01-527-4592
FSC: 6140
CAGE: 74025 — MARATHONNORCO AEROSPACE, INC. DBA MARATHON POWER TECHNOLOGIES COMPANY (USA)
SPECIFICATIONS
materialGLASS FIBER AND PLASTIC EPOXY CASE
cell_quantity19
overall_width6.610 INCHES MAXIMUM IN
terminal_typeTHREADED POST
overall_height7.260 INCHES MAXIMUM IN
overall_length14.500 INCHES MAXIMUM IN
special_featuresWIRING HARNESS, PSDRS-0006/5;APPLICATION: USED ON THE BB-664/A
voltage_in_volts1.2
terminal_quantity2
battery_electrolyteALKALINE
ampere_hour_capacity17.00
special_test_featuresBATTERY, BB-432B/A; NICKEL-CADMIUM; VOLTAGE: 24 VDC; MAX WEIGHT: 34 POUNDS; MIN AMP-HOURS: 10 AMP HOURS; WATT-HOURS: 210; VDC
NSN6140-01-527-4592
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BATTERY,STORAGE TITLE COMPONENT PN 27990P MFR BATTERY,STORAGE
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
BB-476/AUpgraded Successor
successor cross-reference
successor
MIL-PRF-49450/11Upgraded Successor
successor cross-reference
successor
BB-648A/AUpgraded Successor
successor cross-reference
successor
TRAIRCRAFT01BUpgraded Successor
successor cross-reference
successor
28087-4PUpgraded Successor
successor cross-reference
successor
MIL-PRF-49450/10Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 27990P?
27990P is a BATTERY,STORAGE.
What parts can replace 27990P?
There are 22 known substitutes for 27990P: BB-476/A, MIL-PRF-49450/11, BB-648A/A and 19 more. Substitute compatibility should be verified for your specific system.
Is 27990P still available?
27990P is currently cancelled.
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