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40397-9 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

40397-9: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: COPPER ALLOY 922 BODY, body_style: STRAIGHT THRU, furnished_items: UNION NUT AND TAILPIECE W/GROOVES, regulation_type: MANUAL SINGLE STAGE, flow_control_device: DISK, valve_loading_method: SPRING. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-426-4998, 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
40397-9
NSN: 4820-01-426-4998
NIINs: 014264998, 014676807, 015042580, 016655183
FSC: 4820 — Valves, Nonpowered
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 922 BODY
body_styleSTRAIGHT THRU
furnished_itemsUNION NUT AND TAILPIECE W/GROOVES
regulation_typeMANUAL SINGLE STAGE
flow_control_deviceDISK
valve_loading_methodSPRING
manual_control_methodSCREW
end_connection_quantity2
end_item_identificationAVENGER CLASS MCM
media_for_which_designedWATER, SALT
specification/standard_data81349-MIL-V-2042E (SH) GOVERNMENT SPECIFICATION
material_document_and_classificationUNABLE TO DECODE
NSN4820-01-426-4998
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40397-9 · 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
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
BODY STYLE: STRAIGHT THRU
•
REGULATION TYPE: AUTOMATIC SINGLE STAGE
•
FIRST END STYLE DESIGNATOR: SOCKET W/BRAZING RING
•
END CONNECTION QUANTITY: 2
•
OUTLET PRESSURE RANGE: 5.0 TO 60.0 CAMERA MOUNT
•
VALVE LOADING METHOD: SPRING
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
BODY STYLESTRAIGHT THRU
REGULATION TYPEAUTOMATIC SINGLE STAGE
FIRST END STYLE DESIGNATORSOCKET W/BRAZING RING
END CONNECTION QUANTITY2
OUTLET PRESSURE RANGE5.0 TO 60.0 CAMERA MOUNT
VALVE LOADING METHODSPRING
FIRST END CONNECTION TYPEUNTHREADED INTERNAL PIPE
END ITEM IDENTIFICATIONIWO JIMA CLASS LPH
SUBSTITUTES & CROSS-REFERENCES 1
40397-9 ASSY 40397-905Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 40397-9?
40397-9 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 40397-9?
There is 1 known substitute for 40397-9: 40397-9 ASSY 40397-905. Substitute compatibility should be verified for your specific system.
What is the NSN for 40397-9?
40397-9 is cataloged in the U.S. Government catalog under NSN 4820-01-426-4998. 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.