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3A9407 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3A9407: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include disk_loading_method: SPRING, valve_operation_method: AUTOMATIC, end_item_identification: SHIPBOARD MATERIAL H. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-413-9579, 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
3A9407
NSN: 4820-01-413-9579
FSC: 4820 — Valves, Nonpowered
CAGE: 2Y614 — LINK-BELT CRANES, L.P., LLLP (USA)
SPECIFICATIONS
disk_loading_methodSPRING
valve_operation_methodAUTOMATIC
end_item_identificationSHIPBOARD MATERIAL H
NSN4820-01-413-9579
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3A9407 · 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
KEY FEATURES
•
DISK LOADING METHOD: SPRING
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
DISK LOADING METHODSPRING
END ITEM IDENTIFICATIONSHIPBOARD MATERIAL H
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 1
1700077Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 3A9407?
3A9407 is a VALVE,SAFETY RELIEF.
What parts can replace 3A9407?
There is 1 known substitute for 3A9407: 1700077. Substitute compatibility should be verified for your specific system.
What is the NSN for 3A9407?
3A9407 is cataloged in the U.S. Government catalog under NSN 4820-01-413-9579. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.