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4MD20XA — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4MD20XA: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. This part is cataloged in the U.S. Government catalog under NSN 4820-01-009-4851, 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
4MD20XA
NSN: 4820-01-009-4851
FSC: 4820 — Valves, Nonpowered
CAGE: 09990 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION (USA)
SPECIFICATIONS
Part Number4MD20XA
NSN4820-01-009-4851
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4MD20XA · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESALUMINUM ALLOY BODY; DOUBLE PILOT OPERATED,3000.0 PSI MAX OPERATING PRESSURE,3 GPM FLOW CAPICITY,2 0.500-14 THD INTERNAL PIPE PORTS,4 0.250-18 THD INTERNAL PIPE PORTS,4 0.250-18 THD INTERNAL PIPE PORTS,0.125-27NPTF CONNECTION IN EACH PILOT VALVES
SUBSTITUTES & CROSS-REFERENCES 1
4MD1M400Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4MD20XA?
4MD20XA is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 4MD20XA?
There is 1 known substitute for 4MD20XA: 4MD1M400. Substitute compatibility should be verified for your specific system.
What is the NSN for 4MD20XA?
4MD20XA is cataloged in the U.S. Government catalog under NSN 4820-01-009-4851. This indicates validated use in U.S. government and defense supply chains.
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