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M56843 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

M56843: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: STEEL BODY, style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL OR VERTICAL, flow_control_device: DISK, valve_operation_method: AUTOMATIC. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-246-6274, 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
M56843
NSN: 4820-01-246-6274
NIINs: 012466274, 012470077, 012470225
FSC: 4820 — Valves, Nonpowered
CAGE: 09608 — MARCO SEATTLE INC DBA MARCO (USA)
SPECIFICATIONS
materialSTEEL BODY
style_designatorSTRAIGHT THRU
mounting_positionHORIZONTAL OR VERTICAL
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
NSN4820-01-246-6274
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: M56843 · 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
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL: STEEL BODY
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
STYLE DESIGNATORSTRAIGHT THRU
SPECIAL FEATURESCARTRIDGE TYPE
MATERIALSTEEL BODY
VALVE OPERATION METHODMANUAL
SUBSTITUTES & CROSS-REFERENCES 1
NFDB-LAN-DAJSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 M56843?
M56843 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace M56843?
There is 1 known substitute for M56843: NFDB-LAN-DAJ. Substitute compatibility should be verified for your specific system.
What is the NSN for M56843?
M56843 is cataloged in the U.S. Government catalog under NSN 4820-01-246-6274. 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.