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50GNGDX4HF — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

50GNGDX4HF: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: STEEL UNS J03002 BODY, body_style: STRAIGHT THRU, regulation_type: AUTOMATIC DOUBLE STAGE, flow_control_device: DISK, valve_loading_method: SPRING, media_for_which_designed: STEAM. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-195-8519, 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
50GNGDX4HF
NSN: 4820-01-195-8519
FSC: 4820 — Valves, Nonpowered
CAGE: 34889 — HUNT VALVE COMPANY INC DBA UNION FLONETICS (USA)
SPECIFICATIONS
materialSTEEL UNS J03002 BODY
body_styleSTRAIGHT THRU
regulation_typeAUTOMATIC DOUBLE STAGE
flow_control_deviceDISK
valve_loading_methodSPRING
end_connection_quantity2
media_for_which_designedSTEAM
first_end_connection_typePLAIN FACE FLANGE
first_end_flange_thickness0.500 INCHES NOMINAL IN
first_end_style_designatorPLAIN
first_end_bolt_hole_diameter0.688 INCHES NOMINAL IN
first_end_bolt_hole_quantity8
NSN4820-01-195-8519
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 50GNGDX4HF · 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
•
FIRST END BOLT HOLE QUANTITY: 8
•
FLOW CONTROL DEVICE: DISK
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
BODY STYLE: STRAIGHT THRU
•
REGULATION TYPE: AUTOMATIC DOUBLE STAGE
•
FIRST END FLANGE THICKNESS: 0.500 INCHES NOMINAL IN
•
FIRST END FLANGE OUTSIDE DIAMETER: 7.688 INCHES NOMINAL IN
•
FIRST END STYLE DESIGNATOR: PLAIN
TECHNICAL CHARACTERISTICS
FIRST END BOLT HOLE QUANTITY8
FLOW CONTROL DEVICEDISK
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
BODY STYLESTRAIGHT THRU
REGULATION TYPEAUTOMATIC DOUBLE STAGE
FIRST END FLANGE THICKNESS0.500 INCHES NOMINAL IN
FIRST END FLANGE OUTSIDE DIAMETER7.688 INCHES NOMINAL IN
FIRST END STYLE DESIGNATORPLAIN
FIRST END BOLT HOLE DIAMETER0.688 INCHES NOMINAL IN
FIRST END BOLT CIRCLE DIAMETER6.562 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
85GS16A040Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
D50250Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 50GNGDX4HF?
50GNGDX4HF is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 50GNGDX4HF?
There are 2 known substitutes for 50GNGDX4HF: 85GS16A040, D50250. Substitute compatibility should be verified for your specific system.
What is the NSN for 50GNGDX4HF?
50GNGDX4HF is cataloged in the U.S. Government catalog under NSN 4820-01-195-8519. This indicates validated use in U.S. government and defense supply chains.
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