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Technical Data Sheet
PartsTable / COMPONENT / 8555-31E
8555-31E ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
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 material: STEEL CORROSION RESISTING, seat_angle: 45.0 DEGREES NOMINAL, overall_height: 2.130 INCHES NOMINAL IN, shank_diameter: 1.372 INCHES NOMINAL IN, flange_diameter: 1.372 INCHES NOMINAL IN, style_designator: POPPET. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-759-5386, 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
8555-31E
NSN: 4820-00-759-5386
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
seat_angle45.0 DEGREES NOMINAL
overall_height2.130 INCHES NOMINAL IN
shank_diameter1.372 INCHES NOMINAL IN
flange_diameter1.372 INCHES NOMINAL IN
style_designatorPOPPET
NSN4820-00-759-5386
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8555-31E · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL CORROSION RESISTING
•
FLANGE DIAMETER: 1.372 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POPPET
•
SEAT ANGLE: 45.0 DEGREES NOMINAL
•
SHANK DIAMETER: 1.372 INCHES NOMINAL IN
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)
MATERIALSTEEL CORROSION RESISTING
FLANGE DIAMETER1.372 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
SEAT ANGLE45.0 DEGREES NOMINAL
SHANK DIAMETER1.372 INCHES NOMINAL IN
OVERALL HEIGHT2.130 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
150-619FPC197Interchangeable
interchangeable cross-reference
interchangeable
00350-S4902-595811PC197Interchangeable
interchangeable cross-reference
interchangeable
150-409FFPC197Interchangeable
interchangeable cross-reference
interchangeable
A7413-001-260Interchangeable
interchangeable cross-reference
interchangeable
20197PC10Interchangeable
interchangeable cross-reference
interchangeable
20197Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8555-31E?
8555-31E is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace 8555-31E?
There are 19 known substitutes for 8555-31E: 150-619FPC197, 00350-S4902-595811PC197, 150-409FFPC197 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8555-31E?
8555-31E is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-759-5386. 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