PartsTable
Technical Data Sheet
66B ✓ 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 CAPACITOR,FIXED,ELECTROLYTIC 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 blade_lock: INCLUDED, blade_shape: STRAIGHT, blade_length: 3.031 INCHES NOMINAL IN, blade_quantity: 31, blade_thickness: 0.0350 INCHES THIRTY-FIRST BLADE IN, blade_tip_width: 0.500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-473-5968, 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
66B
NSN: 5340-00-473-5968
FSC: 5340
CAGE: 85587 — KEIL LOCK CO INC (USA)
SPECIFICATIONS
blade_lockINCLUDED
blade_shapeSTRAIGHT
blade_length3.031 INCHES NOMINAL IN
blade_quantity31
blade_thickness0.0350 INCHES THIRTY-FIRST BLADE IN
blade_tip_width0.500 INCHES NOMINAL IN
measurement_systemENGLISH
blade_group_quantity1
NSN5340-00-473-5968
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 66B 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
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)
SPECIAL FEATURESBRASS OR NICKEL SILVER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
20FInterchangeable
interchangeable cross-reference
interchangeable
751E2035Interchangeable
interchangeable cross-reference
interchangeable
SPRW15F20000Interchangeable
interchangeable cross-reference
interchangeable
634123-10Interchangeable
interchangeable cross-reference
interchangeable
SP266-3Interchangeable
interchangeable cross-reference
interchangeable
637460PC3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 66B?
66B is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace 66B?
There are 16 known substitutes for 66B: 20F, 751E2035, SPRW15F20000 and 13 more. Substitute compatibility should be verified for your specific system.
Is 66B still available?
66B is currently cancelled.
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