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Technical Data Sheet
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8N9071 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8N9071: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-350-3677, 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
8N9071
NSN: 4820-01-350-3677
FSC: 4820 — Valves, Nonpowered
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number8N9071
NSN4820-01-350-3677
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8N9071 · 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
9Y6932Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
9Y6932 IT 16Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8N9071?
8N9071 is a VALVE,CHECK.
What parts can replace 8N9071?
There are 2 known substitutes for 8N9071: 9Y6932, 9Y6932 IT 16. Substitute compatibility should be verified for your specific system.
What is the NSN for 8N9071?
8N9071 is cataloged in the U.S. Government catalog under NSN 4820-01-350-3677. This indicates validated use in U.S. government and defense supply chains.
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