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581525-003 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

581525-003: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include special_features: 1/4 SWAGELOK/TEMPERATURE RANGE TO 400DEGREES F.PRESSURE TO 6000 PSI, mounting_position: HORIZONTAL OR VERTICAL, end_item_identification: 3655NCD019034. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-478-8817, 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
581525-003
NSN: 4820-01-478-8817
FSC: 4820 — Valves, Nonpowered
CAGE: 75906 — PACIFIC CONSOLIDATED INDUSTRIES LLC (USA)
SPECIFICATIONS
special_features1/4 SWAGELOK/TEMPERATURE RANGE TO 400DEGREES F.PRESSURE TO 6000 PSI
mounting_positionHORIZONTAL OR VERTICAL
end_item_identification3655NCD019034
NSN4820-01-478-8817
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 581525-003 · 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
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
TECHNICAL CHARACTERISTICS
MOUNTING POSITIONHORIZONTAL OR VERTICAL
SPECIAL FEATURES1/4 SWAGELOK/TEMPERATURE RANGE TO 400DEGREES F.PRESSURE TO 6000 PSI
END ITEM IDENTIFICATION3655NCD019034
SUBSTITUTES & CROSS-REFERENCES 3
SS-CHS4-10Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
581525Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
4820PL0652510Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 581525-003?
581525-003 is a VALVE,CHECK.
What parts can replace 581525-003?
There are 3 known substitutes for 581525-003: SS-CHS4-10, 581525, 4820PL0652510. Substitute compatibility should be verified for your specific system.
What is the NSN for 581525-003?
581525-003 is cataloged in the U.S. Government catalog under NSN 4820-01-478-8817. This indicates validated use in U.S. government and defense supply chains.
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