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Technical Data Sheet
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3B9389 — 3B9389

✓ Government record, cited
CATERPILLAR INC DIV CATERPILLAR DEFENSE · GATE VALVE
PRODUCT OVERVIEW

3B9389: 3B9389.

The 3B9389 is a CATERPILLAR INC DIV CATERPILLAR DEFENSE industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-456-7786, 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
3B9389
NSN: 4820-01-456-7786
FSC: 4820 — Valves, Nonpowered
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number3B9389
ManufacturerCATERPILLAR INC DIV CATERPILLAR DEFENSE
NSN4820-01-456-7786
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3B9389 · CATERPILLAR INC DIV CATERPILLAR DEFENSE ⚠ 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 FEATURESSHUT-OFF COCK
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 3B9389?
3B9389 is a 3B9389 manufactured by CATERPILLAR INC DIV CATERPILLAR DEFENSE.
What is the NSN for 3B9389?
3B9389 is cataloged in the U.S. Government catalog under NSN 4820-01-456-7786. This indicates validated use in U.S. government and defense supply chains.
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