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Technical Data Sheet
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A-20028 — CHARGING SET,BATTERY

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

A-20028: CHARGING SET,BATTERY.

The CHARGING SET,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 usage_design: BATTERY CHARGER, document_type: SUPPLY CATALOG, document_source: 3LYQ5, unpackaged_unit_width: 4.0 INCHES NOMINAL IN, unpackaged_unit_height: 3.25 INCHES NOMINAL IN, unpackaged_unit_length: 3.25 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4720-00-215-7958, 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
A-20028
NSN: 4720-00-215-7958
NIINs: 002157958, 017176375
FSC: 4720 — Hose and Flexible Tubing
CAGE: 60535 — FLEXIBLE METAL INC (USA)
SPECIFICATIONS
usage_designBATTERY CHARGER
document_typeSUPPLY CATALOG
document_source3LYQ5
unpackaged_unit_width4.0 INCHES NOMINAL IN
unpackaged_unit_height3.25 INCHES NOMINAL IN
unpackaged_unit_length3.25 INCHES NOMINAL IN
end_item_identification5895016922548
disposition_after_initial_useREUSABLE
part_name_assigned_by_controlling_agencyDESK CHARGING SYSTEM
NSN4720-00-215-7958
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: A-20028 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
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
SUBSTITUTES & CROSS-REFERENCES 2
353-048-0012-0160Reference document
Same NSN cross-reference
Reference document — Secondary reference
Z705Reference 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 A-20028?
A-20028 is a CHARGING SET,BATTERY.
What parts can replace A-20028?
There are 2 known substitutes for A-20028: 353-048-0012-0160, Z705. Substitute compatibility should be verified for your specific system.
What is the NSN for A-20028?
A-20028 is cataloged in the U.S. Government catalog under NSN 4720-00-215-7958. 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.