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Technical Data Sheet
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B8X4000XXA — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B8X4000XXA: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. This part is cataloged in the U.S. Government catalog under NSN 4820-01-691-0672, 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
B8X4000XXA
NSN: 4820-01-691-0672
FSC: 4820 — Valves, Nonpowered
CAGE: 61424 — PARKER-HANNIFIN CORP DIV PARFLEX DIVISION (USA)
SPECIFICATIONS
Part NumberB8X4000XXA
NSN4820-01-691-0672
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B8X4000XXA · 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
SUBSTITUTES & CROSS-REFERENCES 2
F156003/ITEM NO 73Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
F156003Reference 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 B8X4000XXA?
B8X4000XXA is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace B8X4000XXA?
There are 2 known substitutes for B8X4000XXA: F156003/ITEM NO 73, F156003. Substitute compatibility should be verified for your specific system.
What is the NSN for B8X4000XXA?
B8X4000XXA is cataloged in the U.S. Government catalog under NSN 4820-01-691-0672. This indicates validated use in U.S. government and defense supply chains.
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