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Technical Data Sheet
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QR4011 — INSERT,VALVE DISK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

QR4011: INSERT,VALVE DISK.

The INSERT,VALVE DISK is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-496-2693, 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
QR4011
NSN: 4820-01-496-2693
FSC: 4820 — Valves, Nonpowered
CAGE: 5P967 — DANTE VALVE COMPANY (USA)
SPECIFICATIONS
Part NumberQR4011
NSN4820-01-496-2693
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: QR4011 · 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
SUBSTITUTES & CROSS-REFERENCES 2
DL48121Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
DL48121 ITEM 10Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 QR4011?
QR4011 is a INSERT,VALVE DISK.
What parts can replace QR4011?
There are 2 known substitutes for QR4011: DL48121, DL48121 ITEM 10. Substitute compatibility should be verified for your specific system.
What is the NSN for QR4011?
QR4011 is cataloged in the U.S. Government catalog under NSN 4820-01-496-2693. This indicates validated use in U.S. government and defense supply chains.
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