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SW146-4 — PLATE,RETAINING,SHAFT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SW146-4: PLATE,RETAINING,SHAFT.

The PLATE,RETAINING,SHAFT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SEAT, style_designator: PLAIN, body_outside_diameter: 0.750 INCHES NOMINAL IN, seating_surface_shape: FLAT, end_item_identification: SEAWOLF CLASS SSN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-414-9331, 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
SW146-4
NSN: 4820-01-414-9331
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SEAT
style_designatorPLAIN
body_outside_diameter0.750 INCHES NOMINAL IN
seating_surface_shapeFLAT
end_item_identificationSEAWOLF CLASS SSN
NSN4820-01-414-9331
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SW146-4 · 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
•
BODY OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL: STEEL CORROSION RESISTING SEAT
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
BODY OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
MATERIALSTEEL CORROSION RESISTING SEAT
SEATING SURFACE SHAPEFLAT
SUBSTITUTES & CROSS-REFERENCES 2
B07410.002.102Reference document
Same NSN cross-reference
Reference document — Secondary reference
SW146Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SW146-4?
SW146-4 is a PLATE,RETAINING,SHAFT.
What parts can replace SW146-4?
There are 2 known substitutes for SW146-4: B07410.002.102, SW146. Substitute compatibility should be verified for your specific system.
What is the NSN for SW146-4?
SW146-4 is cataloged in the U.S. Government catalog under NSN 4820-01-414-9331. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.