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Technical Data Sheet
PartsTable / MRO / 31-326-2
31-326-2 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

CAPACITOR,FIXED,METALLIZED,PAPER. Key specifications include material: PLASTIC CASE, body_style: W/O MTG FACILITIES, AXIAL TERMINALS, teeth_type: SINGLE HELIX, tooth_form: STANDARD, body_length: 0.530 INCHES NOMINAL IN, body_diameter: 0.160 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 5330-00-291-1620, 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
MRO→ MRO_GENERAL→ 31-326-2
NSN: 5330-00-291-1620
FSC: 5330
CAGE: 35301 — DRESSER INDUSTRIES INC LEROI DIV (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
teeth_typeSINGLE HELIX
tooth_formSTANDARD
body_length0.530 INCHES NOMINAL IN
body_diameter0.160 INCHES NOMINAL IN
pitch_diameter10.7260 INCHES NOMINAL IN
teeth_quantity146
terminal_length1.625 INCHES MINIMUM IN
tooth_directionRIGHT
style_designatorONE FLUSH HUB, ONE RECESSED HUB
attachment_methodMOUNTING HOLE
NSN5330-00-291-1620
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 31-326-2 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
D29340PC35Interchangeable
interchangeable cross-reference
interchangeable
G7852PC25Interchangeable
interchangeable cross-reference
interchangeable
G9678PC25Interchangeable
interchangeable cross-reference
interchangeable
250605Interchangeable
interchangeable cross-reference
interchangeable
WWP471Interchangeable
interchangeable cross-reference
interchangeable
WWP471BDQBUKJInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31-326-2?
31-326-2 is a CAPACITOR,FIXED,METALLIZED,PAPER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 31-326-2?
There are 31 known substitutes for 31-326-2: D29340PC35, G7852PC25, G9678PC25 and 28 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31-326-2?
31-326-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-1620. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026