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40397-409 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

40397-409: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: NICKEL ALLOY AND COPPER ALLOY SEAT, body_style: STRAIGHT THRU, flow_control_device: DISK, end_item_identification: W/S ARLEIGH BURKE CLASS DDG. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-464-5032, 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
40397-409
NSN: 4820-01-464-5032
FSC: 4820 — Valves, Nonpowered
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY AND COPPER ALLOY SEAT
body_styleSTRAIGHT THRU
flow_control_deviceDISK
end_connection_quantity2
end_item_identificationW/S ARLEIGH BURKE CLASS DDG
NSN4820-01-464-5032
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40397-409 · 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
•
FLOW CONTROL DEVICE: DISK
•
BODY STYLE: STRAIGHT THRU
•
END CONNECTION QUANTITY: 2
•
MATERIAL: NICKEL ALLOY AND COPPER ALLOY SEAT
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
BODY STYLESTRAIGHT THRU
END CONNECTION QUANTITY2
END ITEM IDENTIFICATIONW/S ARLEIGH BURKE CLASS DDG
MATERIALNICKEL ALLOY AND COPPER ALLOY SEAT
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
SUBSTITUTES & CROSS-REFERENCES 2
40397-4 ASSY 40397-409Reference document
Same NSN cross-reference
Reference document — Secondary reference
40397-4Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 40397-409?
40397-409 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 40397-409?
There are 2 known substitutes for 40397-409: 40397-4 ASSY 40397-409, 40397-4. Substitute compatibility should be verified for your specific system.
What is the NSN for 40397-409?
40397-409 is cataloged in the U.S. Government catalog under NSN 4820-01-464-5032. 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.