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Technical Data Sheet
4945 ✓ Verified by PartsTable
Zyxel · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include color: WHITE OVERALL, material: ACRYLIC FOAM OVERALL, nominal_width: 0.750 INCHES IN, overall_width: 18.000 INCHES NOMINAL IN, nominal_length: 36.0 YARDS, overall_height: 6.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-391-8384, 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
4945
NSN: 5330-00-391-8384
FSC: 5330
CAGE: C7220 — LINETA ENGINEERING UND HANDELSGESELL-SCHAFT MBH (DEU)
SPECIFICATIONS
colorWHITE OVERALL
materialACRYLIC FOAM OVERALL
nominal_width0.750 INCHES IN
overall_width18.000 INCHES NOMINAL IN
nominal_length36.0 YARDS
overall_height6.000 INCHES NOMINAL IN
overall_length8.000 INCHES NOMINAL IN
surface_lusterLUSTERLESS
special_featuresHEPA EXHAUST FILTER; FOR THE BIOLOGICAL SAFETY CABINET, NSN: 6640-01-498-4194
adhesive_locationBOTH SIDES
basic_shape_styleCRIMP
features_providedLINER
NSN5330-00-391-8384
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4945 MFR: Zyxel ⚠ 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
SUPPLEMENTARY FEATURES: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
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 FEATURESSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
SUPPLEMENTARY FEATURESCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
128300Interchangeable
interchangeable cross-reference
interchangeable
D71168Interchangeable
interchangeable cross-reference
interchangeable
71168Interchangeable
interchangeable cross-reference
interchangeable
49-45Interchangeable
interchangeable cross-reference
interchangeable
V6555Interchangeable
interchangeable cross-reference
interchangeable
406555Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4945?
4945 is a CAPACITOR,FIXED,PAPER DIELECTRIC manufactured by Zyxel.
What parts can replace 4945?
There are 14 known substitutes for 4945: 128300, D71168, 71168 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4945?
4945 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-391-8384. This indicates validated use in U.S. government and defense supply chains.
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