PartsTable
Technical Data Sheet
EC9 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
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 diameter: 0.204 INCHES NOMINAL IN, material: PLASTIC, POLYETHYLENE (PP), plate_type: NEGATIVE AND POSITIVE, design_type: FRICTION, overall_width: 5.156 INCHES NOMINAL IN, terminal_type: NUT-BOLT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-257-0044, 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
EC9
NSN: 5340-00-257-0044
FSC: 5340
CAGE: 84971 — TA AEROSPACE CO DIV TA AEROSPACE (USA)
SPECIFICATIONS
diameter0.204 INCHES NOMINAL IN
materialPLASTIC, POLYETHYLENE (PP)
plate_typeNEGATIVE AND POSITIVE
design_typeFRICTION
cell_quantity1
overall_width5.156 INCHES NOMINAL IN
terminal_typeNUT-BOLT
overall_height17.900 INCHES NOMINAL IN
overall_length10.125 INCHES NOMINAL IN
case_design_typeFILLING PLUG OPENINGS
overall_diameter0.780 INCHES NOMINAL IN
special_featuresCOLOR RED
NSN5340-00-257-0044
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: EC9 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
DIAMETER: 0.204 INCHES NOMINAL IN
LOOP INSIDE DIAMETER: 0.563 INCHES NOMINAL IN
MATERIAL: PLASTIC BAND
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.625 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.843 INCHES NOMINAL IN
STYLE DESIGNATOR: SINGLE LOOP
TONGUE HOLE TYPE: ROUND, UNTHREADED
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)
DIAMETER0.204 INCHES NOMINAL IN
LOOP INSIDE DIAMETER0.563 INCHES NOMINAL IN
OVERALL WIDTH0.500 INCHES NOMINAL IN
MATERIALPLASTIC BAND
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.625 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END0.843 INCHES NOMINAL IN
STYLE DESIGNATORSINGLE LOOP
TONGUE HOLE TYPEROUND, UNTHREADED
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
999Upgraded Successor
successor cross-reference
successor
2BUpgraded Successor
successor cross-reference
successor
14Upgraded Successor
successor cross-reference
successor
9Upgraded Successor
successor cross-reference
successor
SIZE9Upgraded Successor
successor cross-reference
successor
28901-14Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EC9?
EC9 is a BATTERY,STORAGE.
What parts can replace EC9?
There are 18 known substitutes for EC9: 999, 2B, 14 and 15 more. Substitute compatibility should be verified for your specific system.
Is EC9 still available?
EC9 is currently cancelled.
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