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33311-3PC4 2IN — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

33311-3PC4 2IN: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_height: 1.125 INCHES NOMINAL IN, shank_diameter: 1.812 INCHES NOMINAL IN, inside_diameter: 0.937 INCHES NOMINAL IN, nominal_thread_size: 1.375 INCHES IN, thread_series_designator: UNF. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-129-5369, 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
33311-3PC4 2IN
NSN: 4820-01-129-5369
FSC: 4820 — Valves, Nonpowered
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_height1.125 INCHES NOMINAL IN
shank_diameter1.812 INCHES NOMINAL IN
inside_diameter0.937 INCHES NOMINAL IN
nominal_thread_size1.375 INCHES IN
thread_series_designatorUNF
NSN4820-01-129-5369
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 33311-3PC4 2IN · 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
•
SHANK DIAMETER: 1.812 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 1.375 INCHES IN
•
INSIDE DIAMETER: 0.937 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
•
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS
SHANK DIAMETER1.812 INCHES NOMINAL IN
OVERALL HEIGHT1.125 INCHES NOMINAL IN
NOMINAL THREAD SIZE1.375 INCHES IN
INSIDE DIAMETER0.937 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
THREAD SERIES DESIGNATORUNF
SUBSTITUTES & CROSS-REFERENCES 1
33311-3Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 33311-3PC4 2IN?
33311-3PC4 2IN is a DISK,VALVE.
What parts can replace 33311-3PC4 2IN?
There is 1 known substitute for 33311-3PC4 2IN: 33311-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 33311-3PC4 2IN?
33311-3PC4 2IN is cataloged in the U.S. Government catalog under NSN 4820-01-129-5369. 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.