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Technical Data Sheet
4D-2704 ✓ 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: STEEL, fork_end_width: 1.000 INCHES NOMINAL IN, overall_height: 7.810 INCHES NOMINAL IN, style_designator: STRAIGHT, SHAFT MOUNTED W/SECURING HOLE, mounting_hole_size: 0.953 INCHES NOMINAL IN, end_item_identification: AN/TAS-4. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-920-6727, 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
4D-2704
NSN: 2520-00-920-6727
FSC: 2520
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL
fork_end_width1.000 INCHES NOMINAL IN
overall_height7.810 INCHES NOMINAL IN
style_designatorSTRAIGHT, SHAFT MOUNTED W/SECURING HOLE
mounting_hole_size0.953 INCHES NOMINAL IN
end_item_identificationAN/TAS-4
NSN2520-00-920-6727
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BATTERY,STORAGE TITLE COMPONENT PN 4D-2704 MFR BATTERY,STORAGE
KEY FEATURES
MATERIAL: STEEL
MOUNTING HOLE SIZE: 0.953 INCHES NOMINAL IN
FORK END WIDTH: 1.000 INCHES NOMINAL IN
STYLE DESIGNATOR: STRAIGHT, SHAFT MOUNTED W/SECURING HOLE
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 (FLIS)
MATERIALSTEEL
MOUNTING HOLE SIZE0.953 INCHES NOMINAL IN
FORK END WIDTH1.000 INCHES NOMINAL IN
OVERALL HEIGHT7.810 INCHES NOMINAL IN
SPECIAL FEATURESBORE LENGTH: 2.250 IN. NOMINAL; FORK WIDTH: 7.900 IN. NOMINAL; SECURING HOLE SIZE: 7/16-20UNF-2B THD; DISTANCE FROM MOUNTING FACILITY CENTERLINE TO ARCH CENTERLINE: 6.675 IN. NOMINAL; ARCH INSIDE RADIUS: 3.000 IN. NOMINAL IN
STYLE DESIGNATORSTRAIGHT, SHAFT MOUNTED W/SECURING HOLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
BB-503Interchangeable
interchangeable cross-reference
interchangeable
BB-503A/UInterchangeable
interchangeable cross-reference
interchangeable
BT-70394Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4D-2704?
4D-2704 is a BATTERY,STORAGE.
What parts can replace 4D-2704?
There are 3 known substitutes for 4D-2704: BB-503, BB-503A/U, BT-70394. Substitute compatibility should be verified for your specific system.
What is the NSN for 4D-2704?
4D-2704 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-920-6727. This indicates validated use in U.S. government and defense supply chains.
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