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311204000 — VALVE,RESTRICTOR CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

311204000: VALVE,RESTRICTOR CHECK.

The VALVE,RESTRICTOR CHECK is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC FLOW CONTROL DEVICE, seat_angle: 37.0 DEGREES FIRST END, thread_class: 2B FIRST END, connection_type: UNTHREADED EXTERNAL HOSE SECOND END, connection_style: BARBED-BEADED (HOSE) THIRD END, special_features: NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.156 IN. IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-00-185-9850, 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
311204000
NSN: 4820-00-185-9850
FSC: 4820 — Valves, Nonpowered
CAGE: 51267 — IMI CORNELIUS INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC FLOW CONTROL DEVICE
seat_angle37.0 DEGREES FIRST END
thread_class2B FIRST END
connection_typeUNTHREADED EXTERNAL HOSE SECOND END
connection_styleBARBED-BEADED (HOSE) THIRD END
special_featuresNOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.156 IN. IN
thread_directionRIGHT-HAND FIRST END
aperture_diameter0.062 INCHES NOMINAL IN
mounting_positionHORIZONTAL OR VERTICAL
flow_control_deviceDISK
nominal_thread_size0.438 INCHES FIRST END IN
valve_operation_methodAUTOMATIC
NSN4820-00-185-9850
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 311204000 · 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
•
FLOW CONTROL DEVICE: DISK
•
CONNECTION STYLE: INVERTED FLARE (TUBE) FIRST END
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
CONNECTION TYPE: UNTHREADED EXTERNAL HOSE SECOND END
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
CONNECTION STYLEINVERTED FLARE (TUBE) FIRST END
CONNECTION STYLEBARBED-BEADED (HOSE) SECOND END
CONNECTION STYLEBARBED-BEADED (HOSE) THIRD END
MOUNTING POSITIONHORIZONTAL OR VERTICAL
CONNECTION TYPEUNTHREADED EXTERNAL HOSE SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
CONNECTION TYPEUNTHREADED EXTERNAL HOSE THIRD END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
APERTURE DIAMETER0.062 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
311204Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 311204000?
311204000 is a VALVE,RESTRICTOR CHECK.
What parts can replace 311204000?
There is 1 known substitute for 311204000: 311204. Substitute compatibility should be verified for your specific system.
What is the NSN for 311204000?
311204000 is cataloged in the U.S. Government catalog under NSN 4820-00-185-9850. This indicates validated use in U.S. government and defense supply chains.
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