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40397-404 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

40397-404: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: COPPER ALLOY BODY, body_style: STRAIGHT THRU, flow_control_device: DISK, valve_loading_method: SPRING, face_to_face_distance: 9.250 INCHES NOMINAL IN, media_for_which_designed: WATER, SALT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-580-7023, 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
40397-404
NSN: 4820-01-580-7023
FSC: 4820 — Valves, Nonpowered
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
body_styleSTRAIGHT THRU
flow_control_deviceDISK
valve_loading_methodSPRING
face_to_face_distance9.250 INCHES NOMINAL IN
end_connection_quantity2
media_for_which_designedWATER, SALT
NSN4820-01-580-7023
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40397-404 · 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
•
FACE TO FACE DISTANCE: 9.250 INCHES NOMINAL IN
•
END CONNECTION QUANTITY: 2
•
VALVE LOADING METHOD: SPRING
•
MATERIAL: COPPER ALLOY BODY
•
MEDIA FOR WHICH DESIGNED: WATER, SALT
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
BODY STYLESTRAIGHT THRU
FACE TO FACE DISTANCE9.250 INCHES NOMINAL IN
END CONNECTION QUANTITY2
VALVE LOADING METHODSPRING
MATERIALCOPPER ALLOY BODY
MEDIA FOR WHICH DESIGNEDWATER, SALT
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
40397-4 ASSY 40397-404Same 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 40397-404?
40397-404 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 40397-404?
There is 1 known substitute for 40397-404: 40397-4 ASSY 40397-404. Substitute compatibility should be verified for your specific system.
What is the NSN for 40397-404?
40397-404 is cataloged in the U.S. Government catalog under NSN 4820-01-580-7023. 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.