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640-19A — LEVER,MANUAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

640-19A: LEVER,MANUAL CONTROL.

The LEVER,MANUAL CONTROL is a the manufacturer industrial component. Key specifications include material: PLASTIC ACETAL, temp_rating: 70.0 FAHRENHEIT NOMINAL DEGF, pressure_rating: 35.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, end_item_identification: E/I MODEL EV-1925, 2 1/2 INCH SOLENOID VALVE; W/S TARAWA CLASS LHA IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-464-6331, 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
640-19A
NSN: 4820-01-464-6331
FSC: 4820 — Valves, Nonpowered
CAGE: 14561 — MAGNATROL VALVE CORP DIV CLARK-COOPER (USA)
SPECIFICATIONS
materialPLASTIC ACETAL
temp_rating70.0 FAHRENHEIT NOMINAL DEGF
pressure_rating35.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
end_item_identificationE/I MODEL EV-1925, 2 1/2 INCH SOLENOID VALVE; W/S TARAWA CLASS LHA IN
NSN4820-01-464-6331
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 640-19A · 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
•
PRESSURE RATING: 35.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
TEMP RATING: 70.0 FAHRENHEIT NOMINAL DEGF
•
MATERIAL: PLASTIC ACETAL
TECHNICAL CHARACTERISTICS
PRESSURE RATING35.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
TEMP RATING70.0 FAHRENHEIT NOMINAL DEGF
END ITEM IDENTIFICATIONE/I MODEL EV-1925, 2 1/2 INCH SOLENOID VALVE; W/S TARAWA CLASS LHA IN
MATERIALPLASTIC ACETAL
SUBSTITUTES & CROSS-REFERENCES 2
ADV-665D ITEM 53Reference document
Same NSN cross-reference
Reference document — Secondary reference
ADV-665DReference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 640-19A?
640-19A is a LEVER,MANUAL CONTROL.
What parts can replace 640-19A?
There are 2 known substitutes for 640-19A: ADV-665D ITEM 53, ADV-665D. Substitute compatibility should be verified for your specific system.
What is the NSN for 640-19A?
640-19A is cataloged in the U.S. Government catalog under NSN 4820-01-464-6331. This indicates validated use in U.S. government and defense supply chains.
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