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F646ACDG — VALVE,VENT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

F646ACDG: VALVE,VENT.

The VALVE,VENT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-571-3521, 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
F646ACDG
NSN: 4820-01-571-3521
FSC: 4820 — Valves, Nonpowered
CAGE: 79318 — MEGGITT NORTH HOLLYWOOD INC (USA)
SPECIFICATIONS
Part NumberF646ACDG
NSN4820-01-571-3521
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: F646ACDG · 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
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
3591247Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is F646ACDG?
F646ACDG is a VALVE,VENT.
What parts can replace F646ACDG?
There is 1 known substitute for F646ACDG: 3591247. Substitute compatibility should be verified for your specific system.
What is the NSN for F646ACDG?
F646ACDG is cataloged in the U.S. Government catalog under NSN 4820-01-571-3521. This indicates validated use in U.S. government and defense supply chains.
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