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6406357-1 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

6406357-1: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, flange_diameter: 10.000 INCHES NOMINAL IN, seating_surface_shape: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-377-3162, 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
6406357-1
NSN: 4820-01-377-3162
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
flange_diameter10.000 INCHES NOMINAL IN
seating_surface_shapeFLAT
NSN4820-01-377-3162
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6406357-1 · 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
•
FLANGE DIAMETER: 10.000 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 304 OVERALL
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER10.000 INCHES NOMINAL IN
MATERIALSTEEL COMP 304 OVERALL
SEATING SURFACE SHAPEFLAT
SUBSTITUTES & CROSS-REFERENCES 4
512-6406357Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
DF331068Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
DF331068 FIND 1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
211041491Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 6406357-1?
6406357-1 is a SEAT,VALVE.
What parts can replace 6406357-1?
There are 4 known substitutes for 6406357-1: 512-6406357, DF331068, DF331068 FIND 1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6406357-1?
6406357-1 is cataloged in the U.S. Government catalog under NSN 4820-01-377-3162. 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.