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A34634 ✓ 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, seat_angle: 45.0 DEGREES NOMINAL, tip_diameter: 0.125 INCHES NOMINAL IN, overall_height: 2.330 INCHES NOMINAL IN, shank_diameter: 0.125 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 4820-01-040-8201, 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
A34634
NSN: 4820-01-040-8201
FSC: 4820
CAGE: 89326 — BARKSDALE, INC (USA)
SPECIFICATIONS
materialSTEEL
seat_angle45.0 DEGREES NOMINAL
tip_diameter0.125 INCHES NOMINAL IN
overall_height2.330 INCHES NOMINAL IN
shank_diameter0.125 INCHES NOMINAL IN
style_designatorPOPPET
under_flange_height1.055 INCHES NOMINAL IN
flange_seat_to_disk_end_height1.235 INCHES NOMINAL IN
NSN4820-01-040-8201
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A34634 · 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
•
SEAT ANGLE: 45.0 DEGREES NOMINAL
•
STYLE DESIGNATOR: POPPET
•
MATERIAL: STEEL
•
FLANGE SEAT TO DISK END HEIGHT: 1.235 INCHES NOMINAL IN
•
TIP DIAMETER: 0.125 INCHES NOMINAL IN
•
SHANK DIAMETER: 0.125 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 1.055 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)
SEAT ANGLE45.0 DEGREES NOMINAL
STYLE DESIGNATORPOPPET
MATERIALSTEEL
FLANGE SEAT TO DISK END HEIGHT1.235 INCHES NOMINAL IN
TIP DIAMETER0.125 INCHES NOMINAL IN
SHANK DIAMETER0.125 INCHES NOMINAL IN
UNDER FLANGE HEIGHT1.055 INCHES NOMINAL IN
OVERALL HEIGHT2.330 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
MS35489-4Interchangeable
interchangeable cross-reference
interchangeable
1892Interchangeable
interchangeable cross-reference
interchangeable
944.87.31.002Interchangeable
interchangeable cross-reference
interchangeable
E1634-1Interchangeable
interchangeable cross-reference
interchangeable
11300-4Interchangeable
interchangeable cross-reference
interchangeable
530106-402Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A34634?
A34634 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace A34634?
There are 9 known substitutes for A34634: MS35489-4, 1892, 944.87.31.002 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A34634?
A34634 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-040-8201. 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