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Technical Data Sheet
PartsTable / COMPONENT / S4220-3
S4220-3 ✓ 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: NICKEL ALLOY OVERALL, thread_class: 3A SINGLE THREADED PORTION A, thread_length: 0.375 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 1.500 INCHES NOMINAL IN, style_designator: THREADED FLANGED, nominal_thread_size: 1.500 INCHES SINGLE THREADED PORTION 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 4810-01-234-3290, 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
S4220-3
NSN: 4810-01-234-3290
FSC: 4810
CAGE: 52406 — RUGGLES-KLINGEMANN MFG CO DBA THE RUGGLES-KLINGEMANN COMPANY (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
thread_class3A SINGLE THREADED PORTION A
thread_length0.375 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter1.500 INCHES NOMINAL IN
style_designatorTHREADED FLANGED
nominal_thread_size1.500 INCHES SINGLE THREADED PORTION IN
under_flange_height0.375 INCHES NOMINAL IN
body_inside_diameter1.000 INCHES NOMINAL IN
seating_surface_shapeO-RING
thread_series_designatorUNEF SINGLE THREADED PORTION
flange_seat_to_disk_end_height0.625 INCHES NOMINAL IN
NSN4810-01-234-3290
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: S4220-3 · 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
•
FLANGE SEAT TO DISK END HEIGHT: 0.625 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY OVERALL
•
THREAD SERIES DESIGNATOR: UNEF SINGLE THREADED PORTION
•
STYLE DESIGNATOR: THREADED FLANGED
•
FLANGE DIAMETER: 1.500 INCHES NOMINAL IN
•
SEATING SURFACE SHAPE: O-RING
•
UNDER FLANGE HEIGHT: 0.375 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 1.000 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)
FLANGE SEAT TO DISK END HEIGHT0.625 INCHES NOMINAL IN
MATERIALNICKEL ALLOY OVERALL
THREAD SERIES DESIGNATORUNEF SINGLE THREADED PORTION
STYLE DESIGNATORTHREADED FLANGED
FLANGE DIAMETER1.500 INCHES NOMINAL IN
SEATING SURFACE SHAPEO-RING
UNDER FLANGE HEIGHT0.375 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.000 INCHES NOMINAL IN
THREAD CLASS3A SINGLE THREADED PORTION A
NOMINAL THREAD SIZE1.500 INCHES SINGLE THREADED PORTION IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
S4220Interchangeable
interchangeable cross-reference
interchangeable
RELEASE4936Interchangeable
interchangeable cross-reference
interchangeable
400DInterchangeable
interchangeable cross-reference
interchangeable
2053726-3Interchangeable
interchangeable cross-reference
interchangeable
3323765Interchangeable
interchangeable cross-reference
interchangeable
S-4220 PIECE 3Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S4220-3?
S4220-3 is a CAPACITOR,FIXED,CERAMIC DIELECTR.
What parts can replace S4220-3?
There are 6 known substitutes for S4220-3: S4220, RELEASE4936, 400D and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S4220-3?
S4220-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-234-3290. 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