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M-566838 — VALVE,DIAPHRAGM,STOP

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

M-566838: VALVE,DIAPHRAGM,STOP.

The VALVE,DIAPHRAGM,STOP is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE, connection_type: THREADED INTERNAL PIPE FIRST END, connection_style: PLAIN, OPTIONAL END (PIPE) FIRST END, style_designator: ANGLE, thread_direction: RIGHT-HAND FIRST END, flow_control_device: STEM. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-412-3525, 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
M-566838
NSN: 4820-00-412-3525
FSC: 4820 — Valves, Nonpowered
CAGE: 62265 — VOLVO TRUCKS NORTH AMERICA, INC. DBA (FOREIGN PARENT IS VOLVO LASTVAGNAR AB, GOTEBORG, SWEDEN.) (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
connection_typeTHREADED INTERNAL PIPE FIRST END
connection_stylePLAIN, OPTIONAL END (PIPE) FIRST END
style_designatorANGLE
thread_directionRIGHT-HAND FIRST END
flow_control_deviceSTEM
nominal_thread_size0.375 INCHES FIRST END IN
valve_operation_methodMANUAL
thread_series_designatorNPT FIRST END
furnished_items_and_quantity1 ADAPTER
NSN4820-00-412-3525
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: M-566838 · 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: STEM
•
FURNISHED ITEMS AND QUANTITY: 1 ADAPTER
•
CONNECTION STYLE: PLAIN, OPTIONAL END (PIPE) FIRST END
•
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST END
•
STYLE DESIGNATOR: ANGLE
•
THREAD DIRECTION: RIGHT-HAND FIRST END
•
NOMINAL THREAD SIZE: 0.375 INCHES FIRST END IN
•
MATERIAL: STEEL CORROSION RESISTING FLOW CONTROL DEVICE
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICESTEM
FURNISHED ITEMS AND QUANTITY1 ADAPTER
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND FIRST END
NOMINAL THREAD SIZE0.375 INCHES FIRST END IN
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING SEAT
MATERIALALUMINUM ALLOY BODY
SUBSTITUTES & CROSS-REFERENCES 5
777915C92Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
25-R-0615Reference document
Same NSN cross-reference
Reference document — Secondary reference
281924Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
92-S-1783Reference document
Same NSN cross-reference
Reference document — Secondary reference
R281924Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M-566838?
M-566838 is a VALVE,DIAPHRAGM,STOP.
What parts can replace M-566838?
There are 5 known substitutes for M-566838: 777915C92, 25-R-0615, 281924 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M-566838?
M-566838 is cataloged in the U.S. Government catalog under NSN 4820-00-412-3525. This indicates validated use in U.S. government and defense supply chains.
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