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E33419 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

E33419: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, seat_angle: 15.0 DEGREES NOMINAL, thread_class: 2A A, overall_height: 0.625 INCHES NOMINAL IN, pressure_rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, shoulder_height: 0.047 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-237-6471, 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
E33419
NSN: 4820-01-237-6471
FSC: 4820 — Valves, Nonpowered
CAGE: 48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
seat_angle15.0 DEGREES NOMINAL
thread_class2A A
overall_height0.625 INCHES NOMINAL IN
pressure_rating150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
shoulder_height0.047 INCHES NOMINAL IN
style_designatorPLUG
nominal_thread_size0.500 INCHES IN
thread_series_designatorUNEF
NSN4820-01-237-6471
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: E33419 · 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
•
PRESSURE RATING: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
SHOULDER HEIGHT: 0.047 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLUG
•
SEAT ANGLE: 15.0 DEGREES NOMINAL
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
THREAD CLASS: 2A A
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.625 INCHES NOMINAL IN
PRESSURE RATING150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
SHOULDER HEIGHT0.047 INCHES NOMINAL IN
STYLE DESIGNATORPLUG
SEAT ANGLE15.0 DEGREES NOMINAL
NOMINAL THREAD SIZE0.500 INCHES IN
THREAD CLASS2A A
MATERIALSTEEL CORROSION RESISTING
THREAD SERIES DESIGNATORUNEF
SUBSTITUTES & CROSS-REFERENCES 4
SS845-1889567Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
2620-925X2Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
2620-925X2 PIECE18 1/2INSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SS845-1889567ASSYA PIECE18 1/2INSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is E33419?
E33419 is a DISK,VALVE.
What parts can replace E33419?
There are 4 known substitutes for E33419: SS845-1889567, 2620-925X2, 2620-925X2 PIECE18 1/2IN and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E33419?
E33419 is cataloged in the U.S. Government catalog under NSN 4820-01-237-6471. 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.