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404557 — VALVE ASSEMBLY,MANIFOLD

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

404557: VALVE ASSEMBLY,MANIFOLD.

The VALVE ASSEMBLY,MANIFOLD is a the manufacturer industrial component. Key specifications include overall_width: 4.500 INCHES NOMINAL IN, overall_height: 4.000 INCHES NOMINAL IN, overall_diameter: 5.000 INCHES NOMINAL IN, end_item_identification: 3990-01-443-8024 ENGINEERING MISSION MODULE USED ON THE PALLETIZED LOADING SYSTEM, part_name_assigned_by_controlling_agency: VALVE MOTOR MANIFOLD. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-538-2120, 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
404557
NSN: 4810-01-538-2120
FSC: 4810 — Valves, Powered
CAGE: 5X050 — CRYSTEEL MANUFACTURING, INC DBA CRYSTEEL MANUFACTURING INC (USA)
SPECIFICATIONS
overall_width4.500 INCHES NOMINAL IN
overall_height4.000 INCHES NOMINAL IN
valve_quantity2
overall_diameter5.000 INCHES NOMINAL IN
end_connection_quantity2
end_item_identification3990-01-443-8024 ENGINEERING MISSION MODULE USED ON THE PALLETIZED LOADING SYSTEM
part_name_assigned_by_controlling_agencyVALVE MOTOR MANIFOLD
NSN4810-01-538-2120
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 404557 · 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
•
VALVE QUANTITY: 2
•
OVERALL DIAMETER: 5.000 INCHES NOMINAL IN
•
END CONNECTION QUANTITY: 2
TECHNICAL CHARACTERISTICS
VALVE QUANTITY2
OVERALL HEIGHT4.000 INCHES NOMINAL IN
OVERALL DIAMETER5.000 INCHES NOMINAL IN
END CONNECTION QUANTITY2
OVERALL WIDTH4.500 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE MOTOR MANIFOLD
END ITEM IDENTIFICATION3990-01-443-8024 ENGINEERING MISSION MODULE USED ON THE PALLETIZED LOADING SYSTEM
SUBSTITUTES & CROSS-REFERENCES 1
1643742Same 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 404557?
404557 is a VALVE ASSEMBLY,MANIFOLD.
What parts can replace 404557?
There is 1 known substitute for 404557: 1643742. Substitute compatibility should be verified for your specific system.
What is the NSN for 404557?
404557 is cataloged in the U.S. Government catalog under NSN 4810-01-538-2120. This indicates validated use in U.S. government and defense supply chains.
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