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PartsTable / COMPONENT / 40425 PIECE 21
40425 PIECE 21 ✓ 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

CAPACITOR,FIXED,CERAMIC DIELECTR. Key specifications include material: STEEL CORROSION RESISTING OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-151-3733, 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
40425 PIECE 21
NSN: 4820-01-151-3733
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
NSN4820-01-151-3733
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40425 PIECE 21 · 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 OVERALL
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 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
BC3590Interchangeable
interchangeable cross-reference
interchangeable
40425Interchangeable
interchangeable cross-reference
interchangeable
662-0363-010Interchangeable
interchangeable cross-reference
interchangeable
0818001X5U0 332MInterchangeable
interchangeable cross-reference
interchangeable
93436DCQCInterchangeable
interchangeable cross-reference
interchangeable
722905-51Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40425 PIECE 21?
40425 PIECE 21 is a CAPACITOR,FIXED,CERAMIC DIELECTR.
What parts can replace 40425 PIECE 21?
There are 12 known substitutes for 40425 PIECE 21: BC3590, 40425, 662-0363-010 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40425 PIECE 21?
40425 PIECE 21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-151-3733. 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